This product includes :Stainless Steel Round Head Screw 3×18 – 4pcsStainless Steel Round Head Screw 3×10 – 2pcsWhite Delrin Collar – 4pcsStainless Steel Flat Head Screw 3×10-2PCSProduct major function & usage:To support and stabilize1. Made with a quality light weight high tensile strength aluminum 6061 T6 to be more durable and better support for the vehicle.2. Counter-clockwise thread, adjustable length for the tie rod.3. This new innovative triangular design gives stronger stability yet retains the overall needed flexibilityThis is a unique design introduced by GPM Racing that can highly improve the driving performance.White Delrin collars provided to be installed on positioning holes on each end of original C-hub