ABS Import Tools MSDNN 10-3B Turning tool holder is use with SNMA, SNMG, or SNMM inserts. 45 Degree lead angle. Right hand. Zero degree relief. New rigid style top & hole clamping design provides increased stability & security for productive turning of large components and heavy machining. Shim is #2100-0905. Shim screw is #2100-4300. Clamp is #2100-2901. Clamp screw is #2100-4350. Spring is #2100-4384.