Feature:1. Application: Universal for 20mm M20 bearing. Fits Axles on many different units, replacement for Taotao, replacement for Coolster, replacement for Max Trade, replacement for Ice Bear, replacement for Wildfire ATV.2. Powerful Performance: Wheel hub axle nuts' deep threading ensures even force bearing. This design prevents any potential slippage when the nut is rotating, thereby effectively averting nut loosening from the attached bolt.3. Enhanced Safety: The solid grip provided by the deep threading and the castellated design of the nuts enhances driving safety by preventing the loosening of wheels.4. Antirust Material: Wheel hub bearing nuts are made from steel alloy with zinc plated, enhancing the anti rust quality, thus they are not easy to deform and endure for a long usage period.5. Ideal Replacement: These nuts can be easily used to replace any rusted or damaged nuts giving your wheel hub a clean appearance increasing the quality and aesthetics of your hub.Specification:Item Type: Wheel Hub Axle Castellated NutsMaterial: Steel AlloyThread Diameter: 20mm/0.79inApplication: Universal for 20mm M20 bearing. Fits Axles on many different units, replacement for Taotao, replacement for Coolster, replacement for Max Trade, replacement for Ice Bear, replacement for Wildfire ATV.Package List:4 xWheel Hub Axle Castellated Nuts