General description Carburetor Adjustment Tools and Carrying Case designed for 2-Cycle Small Engines, compatible with various brands including Poulan, Husqvarna, STIHL, Echo, Homelite, and Ryobi. This set provides essential tools for precise carburetor adjustments, ensuring optimal engine performance. Technical specifications Material: Steel + Plastic Includes: 12 Adjustment Tools, 1 Carrying Case, 1 Cleaning Tool Usage Each adjustment tool features a handle stamped with the shape of the tip for easy identification. 1/4 turn increments are the standard for carburetor adjustments, allowing for precise tuning of the mixture ratio. Square handles make it easier to gauge 1/4 turn increments during adjustments.