Bosch GSH7VC Professional SDS-max Demolition Hammer Drill The GSH 7 VC Professional from Bosch is exceptionally powerful with low weight & good vibration damping. This SDS-max demolition hammer is driven by a 1500 watt motor, works with an impact energy of 13 joules & weighs only 8.4 kilograms. Due to its optimized ratio of power to weight, the GSH 7 VC Professional relieves the strain on professional tradespeople especially when performing tiring work such as horizontal or overhead chiseling. These demanding tasks, such as removing tiles, can therefore be done both quickly & efficiently. The vibration damping system also contributes to comfortable use of the tool: the demolition hammer achieves low vibration of only 9.5 m/s