PS BT-MAZAK (Pull Stud) BT Pull Stud with ANSI Retention Knob, for MAZAK Machines
PS BT-MAS (Pull Stud) BT Pull Stud with MAS Retention Knob
PS OTT-BT (Pull stud) BT/SK Pull Stud with OTT System Retention Knob
PS BT-JIS (Pull stud) DIN 69872 Pull Stud with JIS 63398 Retention Knob