Milwaukee® Corded Rotary Hammer Kit, Kit, 1-9/16 in Chuck, SDS-Max® Chuck, 3000 bpm Blows per Minute, 5.5 ft-lb Impact Energy, 450 rpm No-Load, 2 Speed, Max Core Bit Compatibility: 4 in, 1-9/16 in Maximum Solid Bit Capacity, 120 VAC, 10.5 A, Metal/Plastic Housing Material, Drop Motor/Straight/Side Handle, Variable Speed Trigger/Forward/Reverse Switch/Clutch Control, No Reversible, 17-3/8 in Overall Length