Srujana Industrial Marketing associates offers Grease Guns which is available in two different models. They are G4-HD and G10-HD. G4 HD is basically used with 450 gms grease cartridge and is very popular in Australia & New Zealand. G10-HD is a high capacity Grease Gun for use with 24 oz. (750 cc) bulk grease or with standard 14 oz. (400 gm) grease cartridge.