General description Perfect tool control is ensured by the soft start function for precise chiselling during use. The Bosch GBH 18V-34 CF Professional BITURBO SDS-Plus Rotary Hammer features three different working modes (Auto, Favorite, Soft) that provide the right setting for every job. It is the smartest SDS plus hammer, displaying real-time tool status via its user interface and allowing for individual adjustments through Bluetooth connectivity to the Bosch Toolbox app. This tool is ideal for hammer drilling and chiselling in concrete, brick, and stone. Technical specifications Tool Holder: SDS-Plus No Load Speed: 0-500/min Impact Rate: 0-2,900/bpm Impact Energy (according to EPTA 05/2016): 5.8 Joules Drilling Diameter: Metal 13mm, Wood 40mm, Concrete with Hammer Drill Bits 8-32mm (Opt. app. range 12-30mm) Weight: 4.9kg (excluding battery) Compatibility and accessories Compatible with all Bosch Professional 18V batteries, including ProCORE18V batteries and chargers (Professional