Replacement for STIHL carburetor adjustment tool, for Husqvarna carburetor adjustment tool, for Poulan carburetor adjustment tool Replacement for Weedeater carburetor, for Echo carburetor, for Homelite carburetor, for Ryobi and so on, fits many brands with Common 2 Cycle Small Engine carburetor adjustment tool Material: Steel + Plastic. Use with the handle of each adjustment tool stamped with the shape of the tip. 1/4 turn is the most commonly used increments when adjusting a carburetor. Easier to tell 1/4 turn increments when adjusting the mix ratio with square handles. Package Contents: 12 x Adjustment Tools, 1 x Carrying Case, and 1 x Cleaning Tool.