Features: High quality meterial,made of brass alloy,more for stronger and durable,improve the apprance. Easy to operate,not complicated installation steps,convenient install,shock-proof and high crush-resistant. Upgrade apprance, classic colors make your RC car more eye-catching. Practical design,lightweidht upgrade,exquisite workmanship improve the performance of your crawler car. Suitable for:Axial SCX24 AXI90081 1/24 RC Crawler Truck Car. Specifications: Material: Brass Color: As Picture Shown Size: Approx. 21x21x8 mm/0.83x0.83x0.31 inch Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Wheel Hub