G. Gun Grease Gun - Quick and Easy Greasing - 10 Foot Flex Hose - LockNLube Grease Coupler Included - no Mess, no Waste - Industrial Strength Construction - 10,000 Psi Foot Operated Develop over 10,000 PSI without batteries 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, and the G. Scoop to easily and cleanly refill with bulk grease Industrial strength. Built and tested for the toughest environments.