Topec 16-Piece Locking Lug Nut Master Key Set | 5, 6, 7, 12 Spline Socket Set, Star and Internal Hex Style Lug Nut Key Set, CR-MO Steel (Not for Hex, Deep, Large-Size, and 10-Spline)

NOT compatible with 10-Spline, External Hex, Spike or larger-sized lug nuts, such as those used for Truck and SUV. Compatible lug nut sizes: M10x1.25, M12x1.25, M12x1.5, 1/2-20, M14x1.5, M14x2, 9/16-18

Please follow the steps below to check if the universal wheel lock key is compatible with your lug nuts. Step1-Check Your Lug Nuts Style. Step 2-Count the Spline Number. Step 3-Measure the Spline Diameter.

Includes 8PCS Spline Inner Diameter Sizes (12-spline 13/16'', 11/16'', 7-spline 3/4'', 5/8'', 11/16'', 6-spline 41/64'', 45/64'', 5-spline 5/8''), 8PCS Outer Diameter Sizes (8-star 5/8", 7/16", 9-star 1/2", 10-star 1/2", hex 12mm, 15mm, 9/16", fluted hex 12mm)

These heavy-duty, extra-long lug keys have a thin wall made of heat-treated chrome molybdenum steel, and a black oxide finish ensures longevity and prevents nicks and scratches when removing your wheels and tires.

This locking wheel nut key set allows you to find the perfect fit while protecting your wheels and lug nuts. It comes with standard (SAE) and metric (mm) pieces that can be used on spline, star, hex, and fluted hex fasteners.