EXACT FACTORY SPECIFICATIONS: Includes 16 Pcs Spike Spline Style Lug Nuts with 3/8"-24 Threads ｜ 1.38" 35mm Long ｜ Spline Hex ｜ 60 Degree Conical Seat ｜ True 1 Piece Construction Heat Treated Carbon Steel Construction with Red Finish PRECISION FITMENT ENGINEERED FOR AFTERMARKET WHEELS. Compatible on vehicles with 3/8"-24 threads as found on Polaris 2018-23 Phoenix 200 2020-22 Ranger Crew 1000 2021-23 Ranger Crew XP 1000 NorthStar Premium 2021-23 Ranger XP 1000 NorthStar Edition Trail Boss 2018-23 Sportsman 450 HO Utility Edition 2020-23 Sportsman 570 Premium, 2018-23 Sportsman 570 Touring 2021-23 Sportsman 570 Trail Confirm capatability with AMAZON CONFIRM FIT. FOR AFTERMARKET WHEELS Only DESIGNED & TESTED IN USA: Spline Hex Spike Spline Lug Nuts are specifically designed for aftermarket wheels. 1 Piece Construction design ensures reliable clamping force and long‑term durability under daily driving conditions. RELIABLE PERFORMANCE & CORROSION RESISTANCE: Premium multi‑layer Red coating tested for 72‑hour salt‑spray corrosion protection. Ideal upgrade for your vehicle. Designed for RAINY climate and AFTERMARKET wheels. Cold Forged carbon Steel. High quality Precise 3/8"-24 threads. Built to SAE Standards COMPLETE 16 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 16 Pcs 3/8"-24 Thread Spike Spline 1.38" 35mm Long Lug Nuts Red Spline Hex Fits Polaris Pheonix Ranger Sportsman