Cordless Rotary 60V DC w/BONUS BATTERY Voltage 20 V 60 V Chuck Style SDS-Max Solid Bit Optimal Drilling Range in Concrete 7/8 in - 1-7/8 in Core Bit Capacity in Concrete 2 in Blows per Minute 1105 to 2210 bpm Anti-Kickback Clutch Yes Modes of Operation Hammer and Rotate Brushless Motor Yes Cordless Tool Kit Contents (1) Bare Tool (3) Batteries (1) Charger Battery Capacity 6.0 Ah 9.0 Ah Core Bit Capacity 1 7/8 in Impact Energy 14.3 ft-lb Auxiliary Handle Positions Continuous