Grey Pneumatic 2017MTP 1/2" Drive x 17mm E.T.W Wheel/Nut Protector - Grey Pneumatic sockets are designed for professional tool users. Made of high quality alloy steel. Engineered specifically for use with impact tools. Benefits of the GP Impact Socket High Torque drive: Increased strength, easier access to tight areas, and reduced wear. 6-Point 1/2 Drive 17mm Extra Thin Wall Wheel/Nut Protector Color: Red These unique extrathin wall impact sockets are for use on alloy wheels with decorative lug nuts. They feature protective (colorcoded) plastic sleeves and internal plastic inserts to prevent damage to expensive alloy wheels and decorative lug nuts. They should be used only on passenger and light truck wheel nuts. Use Only with Drive Tools. Do Not Use Reducing Adapters. Drive End 1.02mm Socket End 1.02mm Bolt Clearance Depth 1.75mm Hex Depth 0.63mm Length 3.15mm ExtraThin Wall Impact Sockets are not covered by the Gp Warranty.