Welcome to LMKHGUGFYH store! Happy shopping!Built with squared handles, which makes it easy to tell 1/4 turn increments on the mixture settings. 1/4 turn is typically the increments you want when trying to tune a carburetor.garden toolsSpecially Designed 2 Cycle Engines: Have10 different screwdriver heads used for most 2 cycle small carburetor engines, can save your time and make your work easier to complete.Used on most but not all engines.Fits many brands of equipment, including STIHL, Husqvarna, Poulan, Weedeater, Echo, Homelite, Ryobi and anything else that utilizes the adjustment screwscolour:blackMaterial: metalPackage Contents:1 set x CarburetorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.