Application: Ideal for use in factory maintenance, agricultural applications, fleet service or for use on trucks when connected to the vehicles air brake compressor(s) For standard 400 g cartridges, but can also be bulk or manual fill Consist of: Air operated grease gun 6" (150 mm) steel extension Professional 4 jaw coupler Properties: Heavy duty aluminium die cast head with internal bore precision honed for rapid action Head casting fitted with bulk loader valve Continuous grease discharge with the trigger pressed (400gm / min 14oz / min) Air operating range 40 - 120psi (3 - 8 bar) Pressure ratio 40:1 Air inlet thread 1/8" BSPT Maximum pressure: 4800 psi / 330 bar Technical information: 12 month warranty