Feature:1. Premium Iron Material: Made of premium iron, this skateboard hardware kit is rust resistant, wear proof, sturdy and reliable, ensuring long lasting performance.2. Complete Set: This kit comes with 8 axle spacers, 8 axle nuts, and 40 speed rings, providing enough quantity for skateboards or longboards, enhancing bearing performance.3. Enhanced Stability: The use of washers helps to tighten the nuts, eliminating wheel wobble and ensuring stable rotation, thus improving speed and extending bearing life.4. Secure Fastening: As wheel and bearing replacements increase, axle nuts tend to wear out and lose their grip. With locking nuts, you can prevent your wheels from falling off, ensuring a safe and secure ride.5. Easy Installation: The skateboard hardware kit is easy to install and replace, simply remove old parts and put the new one in its place, convenient for daily maintenance.Specification:Item Type: Skateboard Hardware KitMaterial: IronWeight: Approx. 62g/2.2oz.Package List:8 x Spacers8 x Axle Nuts40 x Speed Rings