Sunex 2714 1/2-Inch Drive 17mm Covex Extra Thin Wall Mercedes Benz Wheel Lug Socket Non-marring socket for safe and effective removal of the convex (flower head) wheel lugs Precision design eliminates the need to replace the mangled lug nuts left behind by standard wheel lug sockets All Sunex impact sockets meet or exceed ASME specifications Forged from chrome-molybdenum alloy steel for maximum durability Radius corner square drive extend