BOSCH | Professional Demolition Hammer Drill With SDS-Max Vibration Control 240 V 11.4 KG | GSH 11 VCDescription Demolition Hammer with SDS max GSH 11 VC (0 611 336 070); The most powerful 11kg breaker from Bosch; Best power to weight ratio thanks to 1700 watt motor and 23 joules of impact energy with a weight of only 11. 4 kg (in accordance with EPTA); Low vibration of only 8 m s2 due to decoupled main and side handles and optimised hammer mechanism that minimises vibration where it originates; Typical in line design ensures optimum handling when