[High Quality] The carburetor is made of high-quality metal, with high hardness, good strength, reliable performance and long service life. Drill about 10.5 mm/0.4 inch, and install hole about 31 mm/1.2 inch. [Best Replacement] The carburetor is a perfect substitute for damaged carburetors on trimmers and lawn mowers. [Easy installation] The carburetor is easy to operate and install, suitable for 33CC/36CC engine mast chain saws. [Wide application] The carburetor can be widely used in agriculture, fishery, animal husbandry, aquaculture, and forestry. Features: Material: Metal Color: as shown in the picture. Size: Entrance hole: approx. 10.5 mm. Mounting hole: about 31 mm. Content: 1 carburetor