5/8", Hammer Drill Kit, Lightweight With Large Capacity Drilling Up To 5/8" In Concrete, Powerful 6.0A Motor, Dual Mode Operation: Rotation Only & Hammering With Rotation, Ergonomic Handle With Rubberized Soft Grip For Increased Comfort & Control, 0-2,800 RPM, 0-44,800 IPM For The Most Demanding Applications, Recessed Lock On Button For Continuous Use, All Ball Bearing Construction For Longer Tool Life.