Collet, Compatible with Product Type BR Series Collet Pockets, DIN 6499 Series Collet Pockets, DR Series Collet Pockets, ER Series Collet Pockets, ESX Series Collet Pockets, RD Series Collet Pockets, Coolant Fed Coolant Through, Features Axial Compensation Prevents Breaking Taps, Locking Feature Prevents Spinning the Tap, Reduced Clearance Requirements, For Use With ER, DR, RD, ESX, BR, or DIN 6499 Collet Chucks and PowerCOAT Nut