Shars 1/8 - 3/4" 6 PCS Precision R8 Collet Set By 8ths .0006" TIR New M
Size: 1/8~3/4" by 8ths.0006" TIR. Hardened and ground throughout. Drawbar Thread: 7/16"-20. Precision ground to close tolerance. Keyway size is variable, need adjust or machine located pin. You may ask for freight cost before buying tools.