Bosch GCG 18V-600 Professional Caulking Gun comes with nine speed settings and a variable speed trigger, making it easy to control the material flow rate. 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: 300/400ml. Sachet Capacity: 300/400/600ml. Weight: 2.0kg excl. battery.