General description Bosch’s GBH 2-21 Professional rotary hammer with SDS-plus technology is the ideal compact entry-level solution for powerful hammer drilling. Its powerful 720 W motor and 2.0 J of impact energy make for effective hammer drilling in concrete of up to 21 mm in diameter. This compact rotary hammer offers professional Bosch hammer drilling performance within reach, making it perfect for use in concrete, stone, and masonry. Technical specifications Power: 720 W Impact energy: 2.0 J Drilling diameter in concrete: up to 21 mm Compatibility and accessories Compatible with dust attachments for external vacuum cleaners: GDE 16 plus, GDE 68, and GDE 162 Includes Bosch carry case Includes 3 x Drill Bits Includes Auxiliary Handle Usage Three-mode rotary hammer for hammer drilling, drilling, and chiselling ensures versatility and convincing results