Pack of 14 carburetor adjustment tools compatible with ZAMA, Walbro, Stihl, Husqvarna, Craftsman, Poulan, Weedeater, Echo, Homelite, Ryobi, MTD, Troy-Bilt, Toro, Sears, Ruixing, Huayi; suitable for string trimmers, chainsaws, leaf blowers, hedge trimmers, edgers, pole pruners and anything else that utilizes carburetor adjustment tools. Wide application The carburetor adjustment tools are suitable for most 2-stroke engines. Ideal for DIY projects, repairs, and outdoor use, they help fix issues like unstable idling and poor acceleration. They also enable quick tuning to adapt the carburetor to changes in altitude and temperature. Precision adjustment The square handle design allows for easy and precise 1/4 turn adjustments when tuning the carburetor. The finely machined tip ensures a perfect fit, providing maximum torque without slipping and minimizing cam-out. The tool type is marked on the end for quick identification of the right screwdriver for the job. Portable storage Organize and carry. Equipped with a durable EVA material toolkit to protect tools, it is easy to carry—from your backyard to remote locations deep in the forest. It features built-in mesh lining and elastic bands to secure all parts in place, preventing them from falling out or getting lost. Premium screwdriver Made of high-quality special steel that has been heat-treated for hardness, it offers high strength and resistance to bending, ensuring long-lasting performance. The surface is nickel-plated, making it resistant to rust and corrosion. Reusable cleaning tool The carburetor cleaning tool is made of high-quality stainless steel, which is rust-resistant, highly flexible, and can be bent freely, making it easier to clean and helping to prevent carburetor clogs and engine problems. Use scenarios - Perform routine carburetor tuning on common 2-stroke engines in household outdoor tools such as string trimmers, chainsaws, leaf blowers, hedge trimmers, and edgers. - Carry on camping trips or fieldwork to maintain and clean carburetors in remote locations, ensuring reliable operation of power equipment. - Use to quickly adjust idle and throttle response when altitude or temperature changes affect engine performance during travel or seasonal shifts.