Cordless Rotary Hammer, Voltage 18 V, Chuck Style SDS-Plus, Solid Bit Optimal Drilling Range in Concrete 5/32 in to 3/8 in, Core Bit Capacity in Concrete 11/16 in, Blows per Minute 0 bpm to 5,000 bpm, Anti-Kickback Clutch Yes, Modes of Operation Hammer Only, Brushless Motor Yes, Cordless Tool Kit Contents (1) Bare Tool, Core Bit Capacity 1 3/8 in, Impact Energy 1.2 ft-lb, Battery Series LXT, Charger Included No, Drilling Capacity in Concrete 11/16 in, Drilling Capacity in Steel 1/2 in WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)