Description: Material: The RC hex hub is made of high quality brass and aluminum. lightweight, solid, and abrasion proof. Package Included: The package includes 4 pieces of hex hubs, 4 pins, 4 nuts, and 4 washers. Suitable Models: The spacer fit for 7mm hex hub wheels. and is compatible with 1/24 RC Crawler Car Axial SCX24 AXI90081, AXI00001, AXI00002, AXI00005 Easy to install: The hex wheel hubs are easy to install, flexible, and sturdy, adopting precision CNC machined solid brass billet, helping improve the overall performance of the RC car Practical Accessories: The brass extended hex wheel hubs can directly replace the old accessories, effectively providing a longer service life for your model cars. Specification: Material: brass, aluminum alloy Color: black Size Chart: Hex Hub Length: 8mm/0.31inch Diameter: 7mm/0.28inch Inner diameter: 3mm/0.12inch Extension Nut Length: 8mm/0.31inch Pole Diameter: 3mm/0.12inch Diameter: 4mm/0.16inch Package Includes: 4 Pieces Brass Hex Wheel Hubs 4 Pieces Pins 4 Pieces Nuts 4 Pieces Washers Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!