LockNLube Pressure Return Valve (PRV) for Cordless Grease Guns Size:Milwaukee With O-Ring: 7/16"–28 UNEF (F)

With O-Ring: 7/16"–28 UNEF (F) × 7/16"–20 UNF (M)

Extends pump service life

providing the ultimate in extreme pressure protection

LockNLube® Grease Coupler Locks On – Stays On – Doesn't Leak

LockNLube Pressure Return Valve (PRV) for Cordless Grease Guns Size:Milwaukee With O-Ring: 7/16"–28 UNEF (F)No more pressure locks! Returns grease to the tube. No more messy disconnects. NEW! Now available for select RIDGID, BAUER and HERCULES Cordless Grease Guns The LockNLube Pressure Return Valve (PRV) 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. Designed to work best with the LockNLube Grease Coupler! Eliminates waste and extends coupler life. Installs in