Product DescriptionPack-of-13 Most Complete Carburetor Adjustment Tool for 2-Cycle Small Engine for Poulan Husqvarna STHIL Echo Trimmer Weedeater ChainsawMust have for 2 Cycle engines to keep them in good performance: Fits for ZAMA, STHIL, Husqvarna, Poulan, Weedeater, Echo, Homelite, Ryobi, MTD, Troy-Bilt,Toro, 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 bitsCleaning kit include: 1pc hex wrench + 6pcs cleaning needle + 6pcs cleaning brush which can be used to clean carburetor and fuel linesYou will get: 12pcs carberator adjustment tool, 1 carburetor cleaning kit, 1 tool carrying case100% Satisfaction Guarantee, 90 days return, refund or free exchange if you aren't completely satisfied (defection, accidental damage, non-satisfaction etc.) Any problem please do not hesitate to contact usSave yourself the hassle of returns and exchanges by double-checking your engine's model number and part number before ordering any parts. Complete Set of Small Engine Carburetor Adjusting ToolsProduct features:●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.●Advanced 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.Must have for 2 Cycle engines to keep them in good performance:● Can be used on ZAMA, Ruixing, Huayi, STIHL, Husqvarna, Poulan, Weedeater, Echo, Homelite, Ryobi, MTD, Troy-Bilt, Cub Cadet, Toro, Sears.● string trimmer, chainsaw, leaf blower, hedge trimmer, edger, pole pruner and other machines that utilizes the carburetor adjustment tool. Carburetor adjustment tool size:●Big head tools: handle length 77.5mm, metal pole length 75mm, head diameter 5mm●Small head tools: handle length 77.5mm, metal pole length 77mmCarburetor cleaning kit size:●Overall length: 4-inch●Brush diameters: approximately 3mm, 4mm, 4.5mm, 5mm, 6mm, 7mm Cleaning kits include: ● 6pcs cleaning needle, 6pcs cleaning brush● 1pc hex wrench