REMOVE LOCKING NUTS - Designed to easily remove spline style aftermarket lug nuts 15MM HEX TIP - Key has a 15mm hex tip design that fits snugly inside corresponding tuner style security lugs BUILT TO LAST - Made of heat-treated chrome vanadium steel to hold up to a lifetime of use CORROSION RESISTANT - Lug key has a rust and corrosion resistant black oxide coating EXTRA LONG DESIGN - Lug key is constructed with an extra-long design to keep wrenches away and prevent nicks and scratches DOUBLE-HEX HEADS - Key head is designed to fit both 13/16 and 7/8-inch sockets and lug wrenches