The ultimate in industrial greasing strength foot operated, over two-gallon capacity, 10000 PSI output, patented pressure return valve that eliminates pressure locks. Delivers an ounce of grease in just 11 strokes. Features: Develop over 10000 PSI without batteries, The patented pressure return valve easily clears pressure from the hose and returns it to the canister with no mess, Includes the LockNLube Grease Coupler, 10 ft hose, LockNLube Rebuild Kitand G.Scoop, Industrial strength. Built and tested for the toughest environments, Cut grease costs in half by using bulk grease. Includes the G.Scoop the fastest and cleanest way to move bulk grease