Feature:
1. Easily lock on to recessed grease fittings and release with the thumb lever. No twisting and fighting to get the coupler on and off recessed Zerks!
2. Unique design. Locks on, Stays on, No leaks! Four hardened spring steel jaws are resilient under high pressure - max 10,000 psi.
3. Grease goes IN, not ON the machine. No more wasted grease mess everywhere.
EASY release even on recessed fittings. No more stuck couplers - twisting, yanking or using a screwdriver to get it off. No more broken grease nipples.
4. Ends the waste. Ends the mess. Ends greasing frustration.
5. Fits all standard Grease Guns - 1/8" NPT fitting. Fits all SAE and Metric Zerk fittings.

Package List:
1 x Grease Coupler Locks