EXACT FACTORY SPECIFICATIONS: Includes 20 1/2" Lug nuts Car Spline Style ｜ 1/2"-20 Threads ｜ 35mm 1.38" Long ｜ Spline Hex ｜ 60 Degree Conical Seat ｜ True Two-Piece Carbon Steel Construction with Red Finish PRECISION FITMENT ENGINEERED FOR AFTERMARKET WHEELS. Compatible on vehicles with 1/2"-20 threads as found on Buick 1963-78 Riviera ｜ Dodge 1970-74 Challenger 1971-78 Charger ｜ Ford 1964-2014 Mustang ｜ Jeep 1984-2001 Cherokee 1993-2010 Grand Cherokee 2002-12 Liberty 1987-2017 Wrangler ｜ Plymouth 1969-74 Barracuda 1970-74 Cuda ｜ Pontiac 1975-83 Grand LeMans Confirm capatability with AMAZON CONFIRM FIT. FOR AFTERMARKET WHEELS Only DESIGNED & TESTED IN USA: Locking lug nuts 6 Spline Hex Car Spline Lug Nuts are specifically designed for aftermarket wheels. Car Spline Lug Nuts are mainly used on wheels with small Lug nut cavities. 2 Piece design ensures reliable clamping force and long‑term durability under daily driving conditions. RELIABLE PERFORMANCE & CORROSION RESISTANCE: Premium multi‑layer Red coating tested for 48‑hour salt‑spray corrosion protection. Ideal upgrade for your vehicle. Designed for SUNNY Climate and AFTERMARKET wheels. Cold Forged carbon Steel. High quality Precise 1/2 x 20 spline lug nuts threads. Built to SAE Standards COMPLETE 20 Pcs SET: Full lug nuts set for four wheels Red Lug Nuts with 60 Degree Conical Seat ready for direct installation. Upgrade now to your vehicles appearance and the safety you are looking for. Wheel Accessories Parts 20 Pcs 1/2"-20 Thread Car Spline 35mm 1.38" Long Lug Nuts Red Spline Hex Fits Ford Mustang ｜ Jeep CJ Wrangler Grand Cherokee