Made of durable stainless steel with an ergonomic handle and metal shaft. A protective tool case also prevents all screwdrivers from spreading. Total length: 6-2.5 cm (metal pole: 7.6 cm). Plastic handle: 3-2.5 cm. It features square handles that allow you to change the mixture settings with 1/4 turn. 1/4 turn is usually the desired increase when trying to adjust a carburetor. The most complete carburetor tool set, includes all the tools you need to adjust and clean your usual 2-stroke carburetor engine. Suitable for all brands. 10-Piece Carburetor Adjustment Screwdriver Set Includes: Pac Man, Small Head Pac Man, Single D, Small Head Single D, Double D, Hex, 7-Tooth Spline, 21-Tooth Spline, and the New Shapde/6-Star Screwdriver Product Description Package Contents: 1 x Carrying Bag. 1 x Shape Screwdriver. 1 x 6-Star Screwdriver. 1 x Pac Man Screwdriver. 1 x Small Pac Man Screwdriver. 1 x D Screwdriver 1 x Small Head D Screwdriver. 1 x Double D Screwdriver 1 x Hexagon Socket