heavy duty lever grease pump for use with bulk grease or 400 g (14 oz) grease cartridges. Includes a 300 mm single braided rubber hose with a four-jaw hydraulic connector (PN 137 031). Grease pump features variable stroke, which delivers high pressure on the short stroke and high volume on a full stroke. Includes heavy duty cast iron head with hardened and ground piston, bleeder valve, filler nipple, removable check valve and barrel cap for cleaning, and 360º positionable outlet stem with four jaw hydraulic connector.