Featuring screw-type connection with canister that can remain attached during cartridge installation, allowing for quicker application. To be used with Model No. SCS107 400g Screw-Type Grease Cartridge. Vacuum suction to ensure full utilization of grease cartridge and eliminates priming issues associated with conventional grease guns. Manufactured using high grade aluminium die-cast head and steel and supplied with rigid extension tube and coupler.