Hestish 6 Piece 2 Cycle Carburetor Adjusting Tool with Case Included Pac Man/ Single D/ Double D/ Hexagon/ 7 Teeth Splined/ 21-Teeth Splined Carb Adjustment Tool for Common 2 Cycle Small Engine 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 Package include: 21-Teeth Splinded / 7-Teeth Splined / Pac Man / Single D / Double D / Hexagon screwdriver Note: The 21-teeth Splined tool is used on ZAMA carburetors. Wablro carburetor may need a 22-teeth splined tool