Trend IT/TH/001 Sk30 chuck complete Ima/Maka Er32 SK30 Tool holders with pull stud for IMA, MakaHigh precision body, tempered,ground and thoroughly balanced SK30 taper shank complete with relevant pull studs for use on CNC routers with automatic tool change. The ball bearing clamping nut guarantees high clamping precision, protects the collet and the internal taper of the chuck and permits easy insertion and removal of the collets. Specification-D=50 mmCut lng.=50 mmShank Diameter=ER32Adaptor standard=SK30