Accessories:Front Axle-2pcsM4x2x12 Screw Pin-2pcsManual number:LOS232020Product major function & usage:Transferring the power and leading the drive of the wheelsMajor advantages of upgrading to this product:1. Hardened steel joints with thickened alloy body lets the product become more powerful yet stay a light weight.2. CVD design for smooth rotation.3. Retractable design allows more space and the arms can swing better.We use a quality light weight high tensile strength aluminum 6061 T6 and is then anodized with scratch resistant colorsWe also have a big selection of multiple colors available now!! Let¡¯s ¡°hop up¡± your vehicles to give them the best looks and performance on the market ¡¦ colors are available in blue, red, grey silver/gun metal, orange, green, black, brown