NSCSS-12-10-M NBK Set Collar Split type - Steel Electroless Nickel Plating One Collar Made in JapanNSCSS 12 10 M NBK Set Collar Split type Steel Main body ( S45C Electroless Nickel Plating ) SUSXM7 Hex Socket Head Cap Screw One Collar NBK Made in Japan Characteristics: Split type set collar. As the axial hole part can be completely split, so mounting and removing can be performed easily. Moreover this does not scratch the shaft. Optimal for use with machines and devices that are difficult to disassemble Part Number d B D F M NSCSS 12 10 M NBK 12mm