The precision adjustment screwdriver is an essential tool for fine- your . Designed for mechanics and DIY enthusiasts, this tool makes sure your runs smoothly and efficiently. Whether you're working on a chainsaw, , or small , this screwdriver allows for precise adjustments to and air mixture, optimizing performance and reducing emissions. Features -Color:Multi -Material:Reusable plastic, metal -Size:15.40X1.40X1.20cm/6.05X0.55X0.47in - 21-teeth splined -Precision adjustment: this adjustment screwdriver allows for precise of the 's mixture ratio, enhancing performance - design: specifically designed for adjustments, this screwdriver is more convenient and practical for your needs - material: made from metal and plastic and plastic, this tool is and resistant to damage, ensuring longterm use -Easy operation: with a simple and understandable operation method, even those without professional knowledge can easily make adjustments -Multifunctional: suitable not only for car carburetors but also for motorcycles, boats, and various other equipment Package list: 1 x adjustment screwdriver