Highlights Size: M12x1.25 or 12x1.5 (1.25 or 1.5 thread pitch) Design: Heptagon 7-Sided Open-Ended Length: 35mm Seat: Ø20mm Diamter, 60° Taper (Acorn-Type) Material: 50BV30 Chrome Vanadium Steel Finish: Sandblasted Semi-Matte Black With Gold Logo Includes: Qty:20 Lug Nuts, Qty:1 Key Torque Range: 70-90ft-lbs 1-Year Warranty Against Manufacturer Defects Megan Racing Universal Heptagon Lug-Nuts are just that. Lug Nuts. However with a 7-sided shape, they provide security without fiddling with a separate wheel lock key or weak splines where the keys are pretty much industry standard. Made of high strength 50BV30 Chrome Vanadium Steel and black chrome with sand-blast treatment, our lug nuts are designed to withstand the test of time with repeated use and is protected by a 1-year warranty against manufacturer defects. Warning: Lug nut seats are 60° taper "acorn" design and will not fit other types of wheel "seats". For your safety, please double check your wheel manufacturer's requirements. Not for impact tool use.