The RP-10 Rotary Hand Pump is rugged simplicity in action, with extra efficiencies in field transfer of gasoline and up to medium weight oils. Designed for use with portable tanks, drums or barrels, this self-priming pump provides 10 gallons per 100 revolutions. The RP-10 is the perfect pump for construction, agriculture, and other industries where maximum productivity and maximum portability are important. Rotary Hand Pump with cast iron rotor for fuel. This pump fits a 2 inch NPT bung. UL Listed. Includes 3/4 in. x 8 ft. (2.4 m) Buna-N® hose, metal nozzle, and adjustable suction pipe.