1" Drive 2-1/4" Groove Diameter (Inches) RET RING® One-pc Set Impact Retaining Rings with Crush Gauge
Fits all Williams 1" Drive Sockets and Accessories. Crush Gage on the resin pin indicates when a socket is excessively worn and should be replaced. Securely retains sockets and accessories to square drive of impact wrench. For 1" drive impact tools with pin retention hole and groove. Made of oil resistant material. RET RING® is a trademark of FTL Enterprises, Inc