Everbuild Jumbo Sealant / Adhesive Applicator Gun is the ultimate heavy duty metal construction sealant gun, using an extra heavy duty push rod mechanism to cope with the stiffest of sealants. The Everbuild Jumbo Sealant / Adhesive Applicator Gun features an extra pull trigger to enable a smooth and less fatiguing application compared to other guns. This sealant gun also features a hook end, enabling it to be easily attached to a tool belt between applications if required. This Jumbo Cartridge Gun is suitable for use with any standard shape cartridge up to 900ml.