Saker Grease Gun Coupler ○ Locks on to the Zerk so the Grease Doesn't Leak! - YouTube
Saker Grease Gun Coupler-Upgrade to 14,000 PSI,Duty Quick Release Grease Couplers,Compatible with All Grease Guns 1/8" NPT Fittings (2 PCS), Grease Guns - Amazon Canada
Saker Grease Gun Coupler, Compatible with All Grease Guns 1/8" NPT Fittings, Suitable for diameters Greater Than 14mm,Upgrade to 14000 PSI - Walmart.com