Cordless Rotary Hammer Voltage 18 V Chuck Style SDS-Max Solid Bit Optimal Drilling Range in Concrete 1/2 in to 1 1/4 in Core Bit Capacity in Concrete 1 9/16 in Blows per Minute 0 bpm to 3 000 bpm Anti-Kickback Clutch No Modes of Operation Hammer and Rotate Hammer Only Brushless Motor Yes Cordless Tool Kit Contents (1) Bare Tool Core Bit Capacity 4 in Impact Energy 5.1 ft-lb Battery Series M18 Charger Included No Clutch Style Slip Clutch Drill Chuck Type Keyless