Accessories:Rear Shock Mount-1PCSStainless Steel Cap Head Screws 4*30-8PCSStainless Steel Cap Head Screws 4*20-2PCSStainless Steel Cap Head Screws 3x18-2PCSStaninless Steel Round Head Screw 5x25-3PCSStaninless Steel Round Head Screw 5x20-2PCSStainless Steel M4 Lock Nuts-6PCSOriginal Name / Part No:ARA320476Product major functions & usage:Stabilize and adjust shockMajor advantages of upgrading to this part/product :1. Aluminum 6061 T6 is light material with high tensile strength for great durability during extreme RC action.2. Multiple positioning holes to adjust angle of damper to suit different driving condition.