Bosch GCG 18V-310 Professional Caulking Gun for cartridges of up to 310ml. It can be used with all kinds of caulk and adhesive cartridges. Controlling material flow is easy thanks to the gun's speed selection with nine speed settings and a variable speed trigger. It enables fast working progress even with high viscosity adhesives with a push force of 3.5 kN and a maximum feed of 7mm per second. The tool's auto-reverse function relieves pressure on the plunger rod when the trigger is released, eliminating dripping and material overflow. Comes as a Bare Unit, NO battery or charger. Compatible with all Bosch Professional 18V batteries, including ProCORE18V batteries and chargers (Professional 18V System) Also compatible with AMPShare, the multi-brand battery alliance. Specifications: Push Force: 3.5 kN. Feed Rate: 7mm/sec. Cartridge Capacity: 310ml. Weight: 2.0kg excl. battery.