Specifications: High-quality material and durable: the material is steel, the ergonomic designed handle provides comfort for working, heavy-duty adjusted head, precise and easy to adjust the carburetor. Must have products for household: carburetor adjustment tool kit used for household most 2 cycle engines. Adjusting the carburetor allows you to increase or reduce the engines idle speed, allow the right amount of fuel and air to mix in the carburetor, so tuning it properly will increase the performance of your engine. Compatible with: there are 3 carburetor tools consisting of the pac man tool, double D tool, and 21-teeth splined tool, which are replacement adjusting tools for many brands of equipment. It fits for most 2 cycle engines, and anything else that utilizes the splined adjustment screws. (Notice: It wont fit for Walbro carburetors which may need a 22-teeth tool; it is 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, Adjusting Tool Total Length: 15cm/5.91" (Approx.) Notes: Due to the light and screen setting difference, the color of the item may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 3 x Screwdrivers