Die-cast pump head with air-bleed valve. 3-Way fill with cartridge, bulk or manual capability. Supplied with rigid delivery tube and push-on hydraulic 4-jaw coupling. Accepts standard 400g cartridges. Features & Benefits:Pistol style gun with contoured pump handle.Die-cast pump head with air-bleed valve.3-Way fill with cartridge, bulk or manual capability.Rigid delivery tube and push-on hydraulic 4-jaw coupling.Accepts standard 400g cartridges.Delivery per Stroke: 1.25cm³.Optional 300mm Flexible Delivery Tube - Model No. GGH300.Model No. AK446 Specifications: Model No AK446 Brand: Sealey Capacity: 500cm³ Delivery per Stroke: 1.25cm³ Delivery Pressure: 4500psi Nett Weight: 1.09kg Optional Accessories: GGHE300 - Rubber Delivery Hose with 4-Jaw Connector Flexible 300mm 1/8"BSP Gas