Bosch 0 615 990 M9C, SDS Plus, Black, Green, Brushless motor, 0.787" (2 cm), 1800 RPM, 2 J Bosch 0 615 990 M9C. Chuck type: SDS Plus, Product color: Black, Green, Motor type: Brushless motor. Drilling diameter in concrete (max): 0.787" (2 cm), Rated speed (max): 1800 RPM, Impact energy (max): 2 J. Power source: Battery, Battery voltage: 18 V, Battery technology: Lithium-Ion (Li-Ion). Weight: 5.07 lbs (2.3 kg), Depth: 12.8" (325 mm), Height: 8.66" (220 mm)