Fitment: 6-point lug nut key compatible with M12x1.5, M12x1.25, and 1/2"-20 thread pitch. ID: 17.8mm, OD: 20mm, Depth: 45mm. Works with 19mm & 21mm hex wrenches. Fitment: 7-point lug nut key compatible with M14x1.5, M14x2, and 9/16"-18 thread pitch. ID: 20mm, OD: 23mm, Depth: 43mm. Works with 21mm & 22mm hex wrenches. Durable construction: Heat-treated steel with thick walls for better torque and breakage prevention. Black plating enhances rust resistance and durability. Application: Ideal for auto repair shops and home use; suitable for brake jobs, tire changes, and wheel maintenance. Acts as a replacement for lost or misplaced lug nut keys. Replacement solution: Works as an effective substitute for lost anti-theft lug nut keys on cars, SUVs, or trucks. Dual hex design ensures easier installation/removal. Color: Black. Material: Carbon Steel. Package includes: 1x 7-spline lug nut socket, 1x 6-spline lug nut socket. Note: Slight color variations may occur due to lighting or screen differences. Measurement tolerance: +/- 1-3mm.