LockNLube Pressure Return Valve (PRV) for Cordless Grease Guns
Designed to work best with the LockNLube® Grease Coupler! The PRV is precision-engineered to fit the specific, most popular Battery Grease Guns LNL81300-M Compatible with Milwaukee® M18™ and M12 and RYOBI® ONE+ 18V Cordless Grease Guns.