Locking Wheel Nut Key. 6 Spline Socket - 41/64" inner diameter. 

• Specifically designed to easily remove locking lug nuts on aftermarket wheels
• Thin wall sockets prevent damage to wheels
• Extra long lug keys keep your wrench away from the wheel preventing nicks and scratches
• Double hex head design fits most lug wrenches as well as 13/16" and 7/8" sockets
• Heat treated chrome vanadium steel construction
• Durable black oxide finish