Hand Tools

NIETZ Total Contact Xi-on Socket is designed for the idea-how to prevent nuts damage from point contact. According to DIN standard add a special ”X” designto prolong contact area and prevent nut’s hex-point been damaged.NIETZ Total Contact Conventional SocketXi-on Socket Conventional socketLess than 1° bevel contact the nut withangle design, Total point, it is easily toContact Xi-on Socket damage nut corner andsupply a “Line” contact become rounded. between socket and nut,which protect the nutcorner from damaged. Test Result 1: Due to “Line” contact, NIETZ Total Xi-on Socket’s tester-nut remainsvery good out shape after test, but Conventional Socket’s tester-nutcorner are damaged after test.NIETZ Total Contact Conventional SocketXi-on Socket The tester-nut cornersThe surface and corner are damaged afterof tester-nut remain driven by Conventionalvery good shape after Socket.driven by NIETZ TotalContact Xi-on Socket.Test Result 2: NIETZ Total Contact Xi-on Socket totally contact with nut, so, thetorque can evenly spread over nut while applied power.NIETZ Total Contact Conventional Socket Xi-on Socket The nut contact only fewBecause six faces of nut certain points of thetotally contact with Conventional socket,NIETZ Total Contact the torque can’t eventlyXi-on Socket, the torque spread over the nut headcan evenly spread over nut head while applied power so, the tester-nutwhile applied power, so, the tester-nut unevenly broken after the test.evenly broken after the test.Limit Factor Analysis (Stress-Distributed Test) - NIETZ Total Contact Xi-onSocket’s high pperformance design allows socket bear less stress concentrationand makes your job easier and labor saved.NIETZ Total Contact Conventional SocketXi-on Socket More green color showsLess green color shows both ConventionalNIETZ Total Contact socket and tester-nutXi-on Socket’s Line bear much morecontact reduce both stress concentration.socket and tester-nut stressconcentration.High Performance NIETZ Total Xi-on Socket has better fatigue testing resultwhile vs. other Conventional SocketNIETZ Total Contact Conventional SocketXi-on Socket After 1842 times fatigueAfter 2755 times fatigue test, other Conventionaltest, NIETZ Total Contact socket cracks on 6 pointXi-on Socket still end.remains a verygood shape.Torque Test OfNIETZ Total ContactXi-on SocketsCompares With Others>> FATIGUE

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN

Successional forging one side from open end to SQ. The sectional drawings below demonstrate the diffrence forging betweenNIETZ sockets and other markers.NIETZ OTHERS The surface is The surface issmooth by burred bysuccession punching frompunching one opposite twoside from Open sides.end to SQ. A succession Punching frompunching only opposite twofrom one side sides. Theforms the concentricity isconcentricity in not easy tocentre of socket formed. Thateasily. That reduces vibrating increases vibratingwhile socket is used. while socket is used.Leave a proper The interior depthbolt clearence to of socket is longer,fit the nut cap give nut cap noperfectly. Thus obstacle, but thethe interior depth torque of socketof socket becomes reduces.shorter.But thetorque of socket increased.NIETZ OTHERSThe fiber flow of the fiber flow ofsocket is sequential socket in reverseresults socket order causing lifein better grain after of socket becomesheat treatment shorter.and improves lifeof socket.TORQUE REPORTOF NIETZ SOCKETSCOMPARES WITH OTHERS NIETZANSIDIN