The Bosch GBH 18 V-EC 18V Brushless Rotary Hammer is intended for drilling and chiselling work in concrete masonry, wood, and metal The GBH 18V-EC Professional is the most power-to-weight ratio optimised tool of the Bosch 18V SDS plus cordless rotary hammer category. It features a balanced power-to-weight ratio, delivering 1.7 J of impact energy and weighing only 2.6 kg. The rotary hammer\'s lightweight and compact design enables overhead drilling while its robust components and its brushless motor contribute to its durability. This tool is intended for drilling and chiselling work in concrete masonry, wood, and metal. It is compatible with various dust attachments as well as all Bosch Professional 18 V batteries and chargers (Professional 18V System). The GBH 18V-EC Professional also includes various additional features such as a Brushless Motor, Electronic Motor Protection (EMP), LED light, Rotation Control Clutch, Variable Speed, and Vario Lock. This model is sold as a Body Only machine without battery or charger in an L-Boxx. Features: Features balanced power-to-weight ratio delivering 1.7 J of impact energy and weighing only 2.6 kg Lightweight and compact design enables overhead drilling Durable due to robust components and brushless motor Comes With: Inlay Side handle Depth stop L-Boxx Specification: Max. impact energy: 1.7 J Impact rate at rated speed: 0 - 4,550 bpm Rated speed: 0 - 1,400 rpm Battery voltage: 18 V Tool holder: SDS plus Drilling range: Drilling dia. in concrete with hammer drill bits: 4 - 18 mm Opt. app. range in concrete with hammer drill bits: 4 - 10 mm Max. drilling diameter in metal: 13 mm Max. drilling diameter in wood: 20 mm Total vibration values (Hammer drilling in concrete): Vibration emission value ah: 16 m/s² Uncertainty K: 1.5 m/s² Total vibration values (Drilling in metal): Vibration emission value ah: 2.5 m/s² Uncertainty K: 1.5 m/s² Total vibration values (Screwdriving): Vibration emission value ah: 2.5 m/s² Uncertainty K: 1.5 m/s² Noise/vibration information: Sound pressure level: 91 dB(A) Sound power level: 102 dB(A) Uncertainty K: 1.5 dB