Suitable for all SAE and metric zerk fittings ,No matter what type grease guns:pneumatic, manual,battery and electric;
Four jaws for up to 10000 PSI resistance, Durable nitrile rubber seal for longevity under high pressure;
This is the latest upgraded and improved version of the Grease Coupler,2 handled grip made for comfort;
Easy to operate by one hand;
Standard NPT 1/8” connector, simply replace your existing coupler.