Developed for the toughest drilling and chiselling applications in concrete and stone, Bosch rotary hammers set standards with regard to performance and sturdiness. The GBH 5-40DCE is packed full of Bosch engineering features that increase it's performance, safety, efficiency and reliability in the field.Features and Benefits• SDS-Max Comfort system, for easy one-hand use and fast change of accessories• Switch for choosing rotary hammering or chiseling mode• Turbo power while chiseling for increased power and high removal rate• Lockable switch for continuous chiseling work • Constant Electronic keeps the speed consistent, even under load • Setting wheel for bpm adjustment (Bosch patent) • Cord turret gives flexibility and less cord breakage• Stand-by display indicates when tool has power running through it • Service display indicates if a fault is detected & tool requires servicing• Vario-Lock with 12 different chisel positions for flexible handing and positioning of toolSpecifications• Power Input - 1150w• RPM - 170 to 340 per min• Impact rate - 1500 to 3050 per min• Impact force - 2 to 10/11 Joules• Weight - 6.4kg• Vibration value drilling/chiseling - 10/8 m/s²• Drilling diameter in concrete - 40mm• Vario lock posistions - 12