Specifications: High-quality material and holart: the material is steel, the ergonomically designed handle provides comfort during work, powerfully adjusted head, precise and easy to adjust the carburetor. Must-have products for the household: carburetor adjustment tool set used for most 2-stroke engines in the household. Adjusting the carburetor allows you to increase or decrease the engine's idle speed, allow the correct amount of fuel and air to mix in the carburetor, so proper adjustment will increase engine performance. Compatible with: there are 3 carburetor tools consisting of pac man tool, double D tool and 21-tooth spline tool, which are replacement adjustment tools for many brands of equipment. It is suitable for most 2-stroke engines, and anything else that uses the spline adjustment screws. (Note: It does not fit Walbro carburetors which may need a 22-tooth tool; it has been updated from the previous 7-teeth to the current 21-teeth.) Easy to recognize and carry: marked with tool type on the handle, it is easy to recognize, and the non-slip grip with finger grooves is designed for safe handling. It is lightweight and easy to carry. Item Name: Screwdriver Material: Steel Quantity: 3 Pcs Features: Portable, Holar, 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