Steel Pail Pump Fits All Pails - Durable corrosion-resistant pail pump is zinc plated steel. Steel mounting strap hooks on bottom of pail to hold pump in place. Polyethylene Piston model pumps light liquids such as soaps and oils. Nylon Piston model handles non-flammable solvents. Fits all 5 or 6 gallon round pails. Bored out FLEXSPOUT® cap (included) secures pump to FLEXSPOUT®.