Highly durable aluminium die-cast head with air release valve. Dual piston mechanism results in increased output per stroke. 3-Way fill, with cartridge, bulk or suction. Accepts standard 400g cartridges. Supplied with 150mm bent steel extension delivery tube and 35mm coupler. Knurled grease tube and rubber handle for greater precision. Features variable stroke for controlled grease volume. Dual inlet of grease ensures that the gun does not lose prime. Features: • HIGHLY DURABLE - Die-cast head with air release valve • DUAL PISTON - Far greater output per stroke • 3-WAY FILL - Bulk, suction or standard 400g cartridges • GRIPPED - Knurled grease tube and rubber pump handle for greater precision • VARIABLE STROKE - Improved grease volume control • DUAL INLET - Gun does not lose prime • INCLUDES - 150mm bent steel extension delivery tube and 35mm coupler Specifications: Guarantee:1 Year Model Number: AK4402