Professional series fluid pump for 16-55 gal drums. Front position handle design simplifies pump use and access. Brass Piston ring design resists wear. Multi position handle - adjust to handle low to high viscosity fluids for easy pumping effort and to maximize output. 8.5 Fl Oz. per full stroke Internal check valve assures constant prime. For use with non-corrosive fluids such as motor oil, transmission fluid, gear oil, engine coolant, silicone oils, and more.