Used To Fill Marine Outboard Of Stern Drive Unit With Fluid; 3/8 Inch Adapter Fits Outboards J/E/ Mercury/ Mariner/ Stern Drives OMC/ Cobra/ OMC SX Cobra/ Mercruiser/ Speedmaster And Volvo Penta SX/ M10 Adapter Fits Suzuki 4 Stroke/ M8 Adapter Fits Yamaha/ Honda/ Mercury 4 Stroke/ Nissan And Tohatsu; Fit All Quart Bottle And 1-1/2 Inch Neck Quart And Gallon Bottle; With Three Engine Adapter