Feature:1. Closed nut design, which can prevent rim lock threads from being damaged or clogged by mud.2. CNC machined billet from aluminum, anodized treatment, rugged, corrosion resistant and durable.3. The washers are specially shaped to fit the rim, which spreads the load and prevents it from slipping.4. Replacement for Yamaha YZ 125 250 250F 450F WR250R WR450R WR250F WR450F.5. Universal fits motorcycles and bikes that used the standard rim locks with 8mm x 1.25mm bolt.Specification:Item Type: Rim Lock NutsMaterial: 6061-T6 AluminumColor: BlackThread Size: Approx. 8mm x 1.25mm/0.31 x 0.05inPurpose: To prevent the rim lock thread from being damaged or blocked by mudFitment: Replacement for Yamaha YZ 125 250 250F 450F WR250R WR450R WR250F WR450FUniversal fits motorcycles and bikes that used the standard rim locks with 8mm x 1.25mm boltFeatures:1. Anodized surface treatment2. Made of high-quality materials.3. Easy to install, no instructions required.4. The cool design complements your motorcycle..Package List:2 x Tire Valve Stem Covers2 x Rim Lock Nuts2 x Spacers