5C Collet Chuck w. integral D1 – 4 Cam-Lock mounting backBrand NewChuck OD Diameter: 5″D1 – 4 Integral Cam- Lock mounting Back (3 Pins 0.625 Diameter) No need of any machining when received, just mount it on your D4 spindle. Any Size 5C Collet From 1/16 through 1-1/8″ can be used.Scroll operation Design just like 3-Jaw Chuck , Operated With Chuck Kay. Scroll & Pinion Precision Machined and Hardened Max. RPM 6000, steel chuck structure.Accuracy: 0.0006 TIR Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, eBay Marketing, eBay listing Apps, eBay Apps, eBay Application