Must have for 2 Cycle engines to keep them in good performance: ZAMA, Walbro, , , Poulan, Weedeater, , Homelite, , MTD, Troy-Bilt, Cadet, , Sears, Ruixing, Huayi; string trimmer, chainsaw, leaf blower, hedge trimmer, edger, pole pruner and anything else that utilizes the carburetor adjustment tool.Squared handles, which makes it easy to tell 1/4 turn increments on the mixture settings when trying to tune a carburetor; Advanced heat treatment process and corrosion-resistant finish screwdriver bitsAdvanced heat treatment process and corrosion-resistant finish screwdriver bits are made to last with performance in strength and durability for your long time use.Carburetor cleaning needles and cleaning brushes can be used to clean carburetor and fuel lines, hex wrench to disassemble your machine.Special-designed tool carrying case, keep the carburetor adjustment tools and carb cleaning kits well organized in one place.Colour:BlackMaterial:plasticSize:Length: About 15cmPackage Contents:24 * carburetor adjustment tool12 * cleaning needle12 * cleaning brush2 * hex wrenchOnly the above package content, other products are not included.Note: Light 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.