[10 Piece Set] This carburettor adjustment tool kit includes 10 items: 21 slotted screwdriver + 7 slotted screwdriver + single D-head screwdriver + small D-head screwdriver + double D-head screwdriver + Pac-Man screwdriver + small Pac-Man screwdriver + hexagonal screwdriver + flat head screwdriver + six point (star) screwdriver. Offers more carburettor adjustment tools than any other brand.[Compatible with most two-stroke engines]: Compatible with chainsaws, many brands of equipment and any other equipment that uses spline adjustment screws.Exceptional quality and carrying case] - Extremely robust stainless steel head, ergonomic handle and extremely durable metal shaft. Comes with an elegant carrying case for protection and easy storage and organisation of the 10 tools. Includes cleaning needles and brushes to help remove blockages that can occur in very narrow carburettor areas.This carburettor adjustment kit will be an indispensable ally when working on two-stroke engines in everyday appliances. Adjusting their carburettors will raise or lower the idle speed of the engine, allowing the carburettor to mix the optimum amount of fuel and air, thus improving the performance of the engine through proper adjustment.[Guarantee]: We place great importance on providing our customers with a satisfaction guarantee on our high quality carburettor adjustment tools, so you can buy with confidence. If you have any questions, please do not hesitate to contact us.