Savior Spline Shaped Carb Carburetor Adjustment Tool 530035560 Screwdriver for 2 Cycle Husqvarna Poulan Craftsman Chainsaw String Tirmmer Zama Carb H/L High quality replacement adjustment tool for spline shape carb Replace Part No.: 530035560 These tools are a "must" to keep these 50 hr rated, small, 2 cycle, machines running. Notice: the splined tool is designed to adjust ZAMA carburetor