Made from durable stainless steel with ergonomic handle and metal shaft. A protective tool case also prevents all screwdrivers from spreading out. Overall length: 6-2.5cm (metal rod: 7.6cm). Plastic handle: 3-2.5cm. It features square handles that allow you to change the mixture settings with a quarter turn. A quarter turn is generally the desired increase when trying to adjust a carburetor. The most comprehensive carburetor tool set contains all the tools you need to tune and clean your standard 2-stroke carburetor engine. Suitable for brand types. 10pc Carburetor Adjustment Screwdriver Set Includes: Pac Man, Pac Man Small Head, Single D, Small Single Head, Double D, Hex, 7 Spline Tooth, 21 Spline Tooth and the new screwdriver shape / 6 stars < /li> Product Description Package includes: 1 carrying case. 1 molded screwdriver. 1 x 6-star screwdriver. 1 Pac-Man screwdriver. 1 small Pac-Man screwdriver. 1 D screwdriver 1 small D screwdriver 1 double D screwdriver 1 hexagon socket