Product Ffeatures: 1 Two cycle engines to maintain good performance: ZAMA, Walbro, STIHL, Husqvarna, Poulan, Weedeater, Echo, Homelite, Ryobi, MTD, Troy-Bilt, Cub Cadet, Toro, Sears, Ruixing, Huayi ;; Trim, Chain saws, leaf blowers, hedge trimmers, rod trimmers and any other tool that uses carburetor adjustment. 2 square handle, advanced heat treatment process and corrosion-resistant surface treatment screwdriver bit 3 12pcs screwdriver + 1pc hexagon wrench + 6pcs cleaning needle + 6pcs cleaning brush for cleaning carburetor and fuel line Specification: Material: Iron Size: Screwdriver 77.5 * 75mm or so Brush 10.5cm Shipping list: 12 screwdrivers + 6PCS cleaning brush + 6pcs cleaning brush + 1pc hexagon wrench Essential for maintaining optimal performance in 2cycle engines, compatible with ZAMA, Walbro, STIHL, Husqvarna, Poulan, Weedeater, Echo, Homelite, Ryobi, MTD, TroyBilt, Toro, Sears, Ruixing, and Huayi Designed with squared handles for easy identification of 1/4 turn increments on mixture settings, facilitating precise carburetor tuning Includes a comprehensive cleaning kit featuring 1 hex wrench, 6 cleaning needles, and 6 cleaning brushes for effective carburetor and fuel line maintenance Set includes 12 carburetor adjustment tools, 1 carburetor cleaning kit, and 1 tool carrying case for convenient storage and transport Constructed with advanced heat treatment and corrosionresistant finishes for durability and longevity