Specifications: High-quality material and durable: the material is steel, the ergonomically designed handle provides comfort during work, heavy-duty adjusted head, precise and easy to adjust the carburetor. Must-have products for household: carburetor adjustment tool kit used for most 2-stroke engines in household. Adjusting the carburetor allows you to increase or decrease the engine's idle speed, allow the proper amount of fuel and air to mix in the carburetor, so proper adjustment will increase the engine's performance. Compatible with: there are 3 carburetor tools consisting of pac man tool, double D tool and 21-teeth splined tool, which are replacement adjustment tools for many brands of equipment. It fits for most 2-stroke engines, and anything else that utilizes the splined adjustment screws. (Note: It does not fit Walbro carburetors which may need a 22-teeth tool; it has been updated from the previous 7-teeth to current 21-teeth.) Easy to recognize and carry: marked with tool type on the handle, it is easy to recognize, and the anti-slip grip with finger grooves is designed for safe handling. It is lightweight and easy to carry. Item Name: Screwdriver Material: Steel Quantity: 3Pcs Features: Portable, Durable, Long Handle, Adjustment Tool Total Length: 15cm/5.91\" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 3 x Screwdrivers