Specifications: High-quality material and durable: the material is steel, the ergonomically designed handle provides comfort during work, powerfully adjusted head, precise and easy to adjust the carburetor. Must-have household products: carburetor adjustment tool kit used for most household 2-stroke engines. By adjusting the carburetor, you can increase or decrease the engine's idle speed, which allows the correct amount of fuel and air to be mixed in the carburetor, so that proper adjustment increases engine performance. Compatible with: there are 3 carburetor tools consisting of the Pacman tool, double-D tool, and 21-tooth splined, which are replacement adjustment tools for many brands of equipment. It is suitable for most 2-stroke engines and anything else that uses splined adjustment screws. (Note: It does not fit Walbro carburetors which may require a 22-tooth tool; it has been updated from the previous 7-tooth to the current 21-tooth.) Easy to recognize and carry: The tool type marking on the handle 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, durable, long handle, adjustment tool Total length: 15 cm/5.91 inches (approx.) Notes: Due to differences in light and screen settings, the item's color may differ slightly from the pictures. Please allow a slight dimension difference due to different manual measurements. Package includes: 3 x Screwdrivers