Topec 12PCS Spline Lug Nut Socket Set, Master Key Set of 5, 6, 7, 12 Wheel Lock

TOPEC 12PCS SPLINE LUG NUT SOCKET SET, MASTER LUG NUT KEY SET OF 5, 6, 7, 12 SPLINE, WHEEL LOCK REMOVAL KIT FOR SPIKE AND HEX LUG NUTS, UNIVERSAL LOCKING LUG NUT REMOVAL TOOL This is an open box item from Amazon. It would have been returned within 30 days. The set is complete and they appear to have been used. There are black marks under the lug nuts. See Photos. * Upgraded Wheel Lock Key Set: Deep hex socket provides the extra length to install spiked lug nuts where standard lug nut keys fall short. Specifically designed for effortless removal of locking lug nuts (5, 6, 7, 12 Spline and Hex Style) * 12-Piece Spline Socket Set: Includes 10 universal sizes (Hex 19mm; 5-Spline: 3/4", 5/8"; 6-Spline: 41/64", 45/64"; 7-Spline: 5/8", 11/16", 3/4"; 12-Spline: 11/16", 13/16") and 2 deep sizes for spiked lug nuts (Hex 19mm, 7-Spline 3/4") * High Strength CR-MO Steel: Made from heat-treated CR-MO steel, our locking lug nut master key set delivers 17% higher hardness than CR-V for superior strength. The black phosphate coating further enhances corrosion resistance for long-lasting durability * Versatile Compatibility: With a double-hex head and 1/2-inch square drive, compatible with hand and power tools. For enhanced durability, lug wrenches are recommended to avoid damage from excessive impact. (Max Torque 200NM) * Pre-Purchase Check List: Each spline lug nut socket is laser-etched with precise size markings. Ensure the spline count and diameter of your tire lock nut match the wheel