Accessories:Front Lower Arm-2pcsStainless Steel Top Threaded 4m Screw-4pcsStainless Steel Round Head Screw 3x18-2pcsManual number:LOS234011Product major function & usage:To support front knuckle arms, increase stability of the vehicle.Major advantages of upgrading to this product:1. Made with a quality light weight high tensile strength aluminum 6061 T6 for greater support and durability.2. Delrin collars are inserted to minimize the gap and strengthen the fitting for a smooth and stable drive.3. 3D streamline made by CNC machine and anodized with GPM Racing signature scratch resistant vibrant alluring colors.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