[10-Piece Set] This carburetor adjustment kit includes 10 pieces: 21 flathead screwdrivers + 7 flathead screwdrivers + a single D-type screwdriver + a small single D-type screwdriver + a double D-type screwdriver + a Pac-Man screwdriver + Small Pac-Man head screwdriver + hex screwdriver + flathead screwdriver + hex screwdriver (star-shaped). Offers more carburetor adjustment tools than any other brand. 【Compatible with most two-stroke engines】 A must-have: This carburetor adjustment tool kit will become an important ally in the daily work of two-stroke engines. Adjusting the carburetor will allow you to increase or decrease the engine's idle speed and ensure that the carburetor mixes the optimal amount of fuel and air, thereby improving engine performance with correct adjustment. Note: The data are all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.