Accessories:Front Lower Arm-2PCSStainless Steel Round Head Screw 3x16-2PCSStainless Steel Round Head Screw 3x18-2PCSSet Screw 4x10-2PCSStainless Steel Round Head Screw 4x8-2PCSOriginal Name / Part No:AR330503Product major functions & usage:Support the chassis and stabilize the front knuckleMajor advantages of upgrading to this part/product :1. Aluminum 6061 T6 is a light material with high tensile strength and great durability during extreme RC action. Delrin collars are designed and hand-installed to eliminate the gap and friction in order to reach the best performance, in harmony with the rest of the vehicle.2. Multiple positioning holes for users to adjust the angle of the dampers.3.Compare to the original design, this product has a fashionable hollow design.