LockNLube Pressure Return Valve For Lincoln Cordless Grease Guns

No more pressure locks! Returns grease to the tube. Releases hose back pressure. The LockNLube Pressure Return Valve allows grease to flow from the hose back to the barrel with just the twist of a knob. No more pressure locks and messy, unsafe disconnections. Eliminates waste and extends coupler life. Installs in minutes! A must-have for your cordless grease gun!