The Bosch GBH 18V-21 Professional SDS Plus Hammer Drill provides lasting performance with 2.0 J impact energy and a brushless motor. Its highly efficient brushless motor reduces the need for maintenance and improves the runtime per battery charge, which results in less downtime and increased tool longevity. It features three-mode operation for hammer drilling, drilling and chiselling to ensure high versatility. The GBH 18V-21 Professional also features an LED light, Rotation Control Clutch, Variable Speed, and Vario-Lock. Comes as a Bare Unit, NO battery or charger in a cardboard box. Supplied with: 1 x Machine Cloth and 1 x Depth Stop. Compatible with all Bosch Professional 18V batteries and chargers (Professional 18V System) Also compatible with AMPShare, the multi-brand battery alliance. Specifications: No Load Speed: 0-1, 800/min. Impact Rate: 0-5, 100/bpm. Impact Energy: 2 joules. Capacity: Concrete with Hammer Bits 4-20mm, Steel 13mm, Wood 30mm. Tool Holder: SDS Plus. Weight: 2.4