Locknlube Grease Gun Coupler Locks Onto Zerk Fittings. Grease Goes In, Not On The Machine. World's Best-selling Original Locking Grease Coupler. Rated 10,000 Psi. Long-lasting Rebuildable Tool.


Locknlube Grease Gun Coupler Locks Onto Zerk Fittings. Grease Goes In, Not On The Machine. World's Best-selling Original Locking Grease Coupler. Rated 10,000 Psi. Long-lasting Rebuildable Tool.