Master Mechanic, 1/2", 10A, Hammer Drill, Variable Speed/Reversible, 2 Modes: Hammer & Variable Speed Reversible VSR, Trigger Speed Control In 2 Ranges: 0-1200 RPM, 0-2800 RPM, 0-52,700 Blows Per Minute, 1/2" All Metal Chuck, Depth Gauge, Lock On Switch, Soft Grip Handle, Side Handle.