Features GBH 18V-34 Highest performance with 5.8 J - the most powerful SDS plus cordless hammer in its class for tough concrete jobs Perfect control - soft start for precise chiselling and 3 different working modes to ensure the right setting for every job The smartest SDS plus hammer - real-time machine status via user interface, individual adjustments via Bluetooth using Bosch Toolbox app Perfect for demanding concrete jobs - the GBH 18V-34 CF Professional from Bosch is the most powerful SDS plus cordless hammer, ideal for tough applications The BITURBO Brushless technology with ProCORE18V battery of this powerhouse delivers outstanding performance of 5.8 J, making it the most powerful SDS plus cordless hammer in its class Perfect control of the machine is guaranteed by the soft start function for precise chiselling and three different working modes (Auto, Favorite, Soft) that ensure the right setting for every job The 18V-34 CF is also the smartest SDS plus hammer, showing machine status in real time via the user interface and allowing individual adjustments via Bluetooth connectivity with the Bosch Toolbox app This machine is ideal for hammering and chiselling in concrete, stone and masonry It is compatible with all Bosch Professional 18V batteries and chargers (Professional 18V System) For maximum power use ProCORE18V ? 8.0 Ah Specifications GBH 18 V-34 Impact energy, max. 5.8 J Number of strokes at nominal speed 0 - 2,900 min-1 Rated speed 0 - 500 min-1 Accuspanning 18 V Weight excl. battery 4.9 kg SDS plus tool holder Tool dimensions (length) 430 mm Drilling diameter in concrete with hammer drills 8 - 32 mm Optimum application range in concrete with hammer drills 12 - 30 mm Max. drilling diameter in metal 13 mm Max. boor-Ø hout 40 mm