Bosch’s 1st Cordless Caulk Gun 100% compatible with all Bosch Professional 18 V batteries! This gun offers easy control of material flow. It features speed selection with 9 speed settings and variable speed trigger. The unit provides fast working progress even with high viscosity adhesives. The 3.5 kN push force is combined with a maximum (no load) feed of 9 mm/sec. There is also no dripping or material overflow the plunger rod auto-reverse function relieves pressure when trigger is released. The battery and charger are not included.