The 12 piece carburetor adjustment tool kit comes with 21 tooth spline tool + 7 spline tooth + single D + single small head + double D + Pac Man + small head + hex + a circle + a small circle tool, six stars, which can easily adjust your small 2-stroke engine. A complete set of repair tools for 2-stroke engines, such as Stihl, Husqvarna, Poulan, Troy-Bilt, Ryobi, Craftman, Sears of chainsaw, weeder, lawn mower, mower, etc. Keep your engine within EPA specifications and in good performance. Heavy duty carburetor adjustment tool, ergonomic square handle, more convenient and comfortable for carburetor adjustment, easy to distinguish 1/4 increments turn on mixing settings, keeping your 2-cycle motors running smoothly. Easy to Recognize: Marked with tool type on each tool handle, easy to recognize turning tools. carburetor rebuild screws. Cleaning kit includes: The carburetor adjustment tool kit comes with a cleaning kit, 6 cleaning needles + 6 cleaning brushes which can be used to clean carburetor and fuel lines. Carburetor adjustment tool: 1. These carburetor adjustment tools are marked with the type of tool on the handle, so easy to recognize. Constructed with square handles, making it easy to see 1/4 turn increments on the settings of the mixture. 2. A quarter turn is usually the increments you want when trying to tune a carburetor. 3. Set of 12 carburetor adjustment tools in total, suitable for many brands of equipment including Stihl, Husqvarna, Poulan, Weedeater, Echo, Homelite, Ryobi and anything else that uses the adjustment screws. 4. Used on most engines, but not all engines. 5. Indispensable for those who are in charge of personal equipment and business for friends, family. Contents: 1 Pac Man Carburetor Adjustment Tool. 1 Single D Carburetor Adjustment Tool. 1 Double D Carburetor Adjustment Tool. 1 Hex Socket Carburetor Adjustment Tool 1 splined carburetor adjustment tool with 7 teeth. 1 splined carburetor adjustment tool with 21 teeth. 1 small slotted head carburetor adjustment tool. 1 x Small Head Hex Carburetor Adjustment Tool 1 x Slotted Small Head Carburetor Adjustment Tool. 1 x Small Head Outside Carburetor Adjustment Tool . 1 circular carburetor adjustment tool. 1 small circular carburetor adjustment tool. 1 carburetor cleaning needle and brushes. 1 storage bag