pack of 14 screwdriver Carburetor Adjustment Tool Ignition Coil Spark Tester for 2-Cycle Small Engine for Poulan STHIL Echo Ryobi Troy Bilt Trimmer Leaf Blower Weedeater Chainsaw

14pcs carburetor adjustment tools Product 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. 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: Compatible with Husq-varna, Craftsman, ZAMA, Walbro, Ruixing, Huayi, STIHL, Poulan, Weedeater, Echo, Homelite, Ryobi, MTD, Troy-Bilt, Sears. string trimmer, chainsaw, leaf blower, hedge trimmer, edger, pole pruner and other machines that utilizes the carburetor adjustment tool. Ignition Coil Spark Tester It is the quickest way to test for no-start conditions, test if the spark plug is getting the spark and to see how strong it is. Can be used on all kinds of engine which equipped with ignition coil. Car, motorcycle, 2-cycle small engines trimmer / chainsaw... 4-cycle engines lawn mower / tractor, etc. High visibility white lettering makes it easy to read the gap measurement from 0 to 40k Standard plug wire tip and can be unscrewed so the tester can be used on small engines and some motorcycles Added a spring to the tightening bolt which keeps secure and stays where you put it How does this connect to a coil on plug system? Grip the clip to the engine. Put the other end in the spark plug wire. Read the length on the spark through the little window.The longer the spark gap the stronger the coil. Specifications: SE means small engine that puts out less spark 20 is .020 inches 30 is .030 inches 40 is .040 inches