Rotary Hammer and Battery, Voltage 18 V, Chuck Style SDS-Plus, Solid Bit Optimal Drilling Range in Concrete 1 in, Core Bit Capacity in Concrete 1 1/5 in, Blows per Minute 0 bpm to 4,350 bpm, Anti-Kickback Clutch Yes, Modes of Operation Hammer and Rotate, Brushless Motor Yes, Cordless Tool Kit Contents (2) Batteries, (1) Bare Tool, Charger, Battery Capacity 8.0Ah, Core Bit Capacity 2 5/8 in, Impact Energy 1.8 ft-lb, Battery Model Number GBA18V80, Battery Series CORE18V, Charger Included Yes.
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