Hilitchi Carburetor Adjustment Tool 21-Teeth Splinded/Pac Man/Single D/Double D/Hexagon Hex Socket Screwdriver for Common 2 Cycle Small Engine Aftermarket tool kit including 21-Teeth Splined x 1, Pac man x 1, Single D x 1, Double D x 1, Hexagon x 1 screwdriver Replacement manufacturer part number: 530035560 308535003 308535001 308535002 Used on most 2 cycle engines; Fits many brands of equipment, including Sears, Craftsman, Poulan, Husqvarna, Weedeater, Echo, Toro, Ryobi, Homelite, and anything else that utilizes the splined adjustment screws The printed sign on the adjustment tools makes it a lot easier to recognize the tools apart. NOTE:The plined tool is designed to adjust ZAMA carburetors, it won't fit WALBRO carburetors