[Pack of 10 items] This carburetor adjustment tool kit includes 10 items: 21-tooth spline screwdriver + 7-tooth spline screwdriver + single D-bit screwdriver + single small D-bit screwdriver + screwdriver double D-shape + Pac-Man screwdriver + Small-bit Pac-Man screwdriver + Hex screwdriver + Flat screwdriver + Six-point (star) screwdriver. offers more carburetor adjustment tools than any other brand. [COMPATIBLE WITH the vast majority of 2-stroke engines]: compatible with chainsaws, equipment from many brands such as , any other equipment using splined adjustment screws. [Excellent Quality and Carrying Case] - Bits made of very sturdy stainless steel, ergonomic handle and extremely durable metal rod. Comes with an elegant carrying case to protect them and store and organize these 10 tools with ease. Needles and cleaning brushes included, in order to help clear the obstructions which can occur within the very narrow parts of the carburettor of your engine this set of carburetor adjustment tools will be an essential ally for working on 2 engines everyday life appliances. Adjusting their carburetor will allow you to increase or decrease the engine idle speed and allow the carburetor to mix an optimal amount of fuel and air, and thus increase the performance of your engine by adjusting it appropriately. . [Warranty]: We place great importance on ensuring our customers get a high quality carburetor adjustment tool and 100% satisfaction assured, for PLEASURE SHOPPING. Also feel free to contact us if you have any questions.