Suitable for automotive, agricultural, construction and industrial applications Ergonomic one hand operation grease gun Unique variable stroke mechanism for both high volume and high pressure applications. High volume for faster greasing and high pressure for use in cold weather and for unblocking work Change in stroke achieved through simple press of the movable handle Solid 11mm diameter piston for more grease per stroke Robust aluminium die cast head with bulk filler Rolled cylinder threads offer maximum strength Type: 300mm flexible hose & 4 jaw coupler Cartridge capacity: 450g Bulk capacity: 650cm3 Thread: 1/8 BSPT Output: 0.84g per stroke (1oz per 34 strokes) Pressure: 48,250 kPa (7,000 PSI, 480 Bar)