Handbook volume: LOS254037This product includes :Front Lower Arm-2pcsStainless steel Round Head Screw 4x25-2pcsProduct major function & usage:To help front knuckle hands, enhance protection of car.1. Produced from a great lightweight high tensile energy aluminum 6061 T6 for greater help and durability.2. Delrin collars are positioned to scale back the space and strengthen the fitting for a smooth and stable drive.3. Stainless balls place with stainless bands and screws to enhance sturdiness and gives a thorough berth to rustiness.4. The restoring method of the metal ball is changed towards unique screw securing design for better protection.5. 3D enhance developed by CNC item and anodized with GPM rushing signature scratch resistant vibrant alluring colors.