Cordless Rotary Hammers, Cordless Rotary Hammer, Bare Tool, Voltage 36.0 V, Chuck Type SDS Plus, Cordless Tool Battery Type Li-Ion, Battery Capacity 2.0 Ah, 3.0 Ah, 4.0 Ah, 5.0 Ah, 0 to 5000 Blows per Minute, 0 to 980 No Load RPM, Brushless Motor Yes, Series X2 LXT(R), Stop Rotation No, 1 1/8 in Capacity in Concrete, 1 1/8 in Solid Bit Capacity, 2 1/8 in Core Bit Capacity, Impact Energy 2.3 ft-lb, Battery Included No, Battery Pack Replacement 38XU33, 38XU34, Handle Type Pistol Grip