CPX1207 Features: * Plastic coating on outside of socket wall to prevent damage to rims * Plastic cap on inside of socket to protect lug nut for damage * 3 most common metric sockets used on passenger cars * Case hardening sockets for longer life Sizes include: 17mm, 19mm, 21mm * 3 Piece 1/2"""" Drive Metric Thin Wall Wheel and Nut Protector Impact Socket Set Color/Finish: * Different color socket for each size for easy determination Warranty: * Sets & Kits do not have warranty/ see individual pcs for details