Fitment: 6 point fuel rim lug nut key compatible with six spline M12x1.5, M12x1.25 and 1/2 inch-20 thread pitch wheel lug nuts. ID: 17.8mm (0.7 inch), OD: 20mm (0.8 inch), Depth: 45mm. This spline tuner lug nut key works with both 19mm (3/4 inch) and 21mm (13/16 inch) hex socket wrench. Fitment: 7 point fuel wheel lug nut key compatible with seven spline M14x1.5, M14x2, and 9/16 inch-18 thread pitch security wheel lug nuts. ID: 20mm (0.78 inch), OD: 23mm (0.9 inch), Depth: 43mm. This locking lug nut socket works with both 21mm (13/16 inch) and 22mm (7/8 inch) hex socket wrench. Sturdy construction: Cold and heat treated -V steel and thick wall design provide better torque and prevent breakage. Black plating on the wheel lug nut wrench improves rust resistance and prevents outer layer stripping. Application: In the auto repair shop, mechanics can use the tire socket wrench for brake jobs, tire changes, and wheel maintenance to keep vehicles in optimal working condition. The fuel rim lug nut key is also useful for home vehicle repairs when the original key is missing or misplaced, ensuring maintenance and repairs can be carried out effectively. Great replacement for a lost key: Star lock lug nut key replacement works well to replace a lost anti-theft lug nut key on car, SUV, or truck. The dual hex teeth and shape allow for easier installation and removal of nuts. Color: Black Material: Carbon Steel Package Contents: 1x 7 Spline Lug Nut Socket 1x 6 Spline Lug Nut Socket Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement may vary by +/- 1-3cm.