PROLUBE 42502 LEVER GREASE GUN, WITH EXTENSION/COUPLER, 14OZ. CAP., 6000 PSI STANDARD DUTY, 1/8″ NPT BY FAR THE MOST POPULAR GREASE GUN FOR GENERAL PURPOSE LUBRICATION IN AUTOMOTIVE, WORKSHOP, AGRICULTURAL & LIGHT INDUSTRIAL APPLICATIONS. DROP RESISTANT STEEL HEAD CONSTRUCTION, DEVELOPS 6,000 PSI / 413 BAR. AIR RELEASE EITHER THROUGH LOADER FITTING ON THE GREASE GUN HEAD OR HALF TURN OF THE HEAD ASSEMBLY. SOFT RUBBER GRIP ON LEVER HANDLE FOR COMFORTABLE OPERATION, DURABLE POWDER COATED FINISH. INCLUDED IS 6″ STEEL EXTENSION AND STANDARD 4 JAW COUPLER WITH BALL CHECK