Supersedes the GBH 18 V-20Bosch GBH 18 V-21 SDS+ Plus Cordless Rotary Hammer Drill Inc 2x 4.0Ah Batteries, 1x Charger & Carry Case 0611911172 Bosch quality within reach – cordless comfort and brushless power The GBH 18V-21 Professional cordless SDS+ Plus rotary hammer provides lasting performance with 2.0 J impact energy and a brushless motor. The tool’s 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. This tool is supplied with 2x GBA 18v 4.0Ah batteries, a GAL 18v-40 charger and Bosch branded carry case. FEATURES Powerful impact system with 2.0 J Three modes (drilling, hammer drilling, chiselling) ensure versatile use Brushless motor reduces the need for maintenance and improves runtime per battery charge, with less downtime and increased longevity Good power-to-weight ratio with only 2.4 kg in weight Capable enough for light chiselling applications Lasting performance for drilling many holes and 20% longer battery runtime than predecessor Fully compatible with the GDE 16 plus dust attachment The GBH 18V-21 Professional comes with LED light,rotation control clutch, variable speed, and vario-lock Supersedes the GBH 18 V-20 SPECIFICATION Voltage: 18v Bosch Part Number: 0611911172 Max. Impact Energy: 2 J Impact Rate At Rated Speed: 0 - 5,100 bpm Rated Speed: 0 - 1,800 rpm Drilling Diameter In Concrete With Hammer Drill Bits: 4 - 21 mm Opt. App. Range In Concrete With Hammer Drill Bits: 6 - 10 mm Max. Drilling Diameter In Metal: 13 mm Max. Drilling Diameter In Wood: 30 mm Tool Holder: SDS+ Plus Tool Length: 325 mm Weight: 2.4 kg NOISE & VIBRATION Sound Pressure Level: 90 dB(A) Sound Power Level: 101 dB(A) Uncertainty K: 3 dB(A) Vibration Emission Value (Hammer Drilling In Concrete): 10 m/s² Vibration Emission Value (Chiselling): 7 m/s² Uncertainty K: 1.5 m/s²