Product dimensions: Length 150mm, rod length 80mm, hole diameter 5mm. Measurements are taken manually; please allow slight errors. Compatibility: Fits carburetors requiring a "dot type",Compatible with Craftsman, Compatible with Husqvarna, Compatible with Ryobi, Compatible with Poulan, Compatible with Homelite. This tool is specifically designed for adjusting the limit screw on the carburetor. This screw limits the fuel-air mixture ratio (usually at low speeds or idle) to ensure smooth engine operation under various conditions. Product Material: This product is specially designed and made of metal, ensuring a long service life and resistance to damage. Easy Installation: Can be directly replaced without adjustment, offering perfect compatibility and high reliability., Manufacturer: AS Axis Spindleon