Descriptions:Engine Valve Adjusting Screw made of aluminum alloy for durable use and long time services.Easy to install without instructions.Designed for good performance.This is non-OEM Product.Specification: Color: Titanium ToneMaterial: Aluminum AlloyScrew Length: 22mm / 0.87"Screw Thread Diameter: M6x0.75Nut Diameter: 6mm / 0.24"Fit for:CG125Package includes:1 Set x Valve Screw with Nut.