Factory-Reconditioned Ryobi ZRD552HK 1/2-Inch Two-Speed Hammer Drill Heavy duty 1/2" Keyed Chuck RPM: 0 - 1,000 / 0 - 3,000 BPM: 0 - 16,000 / 0 - 48,000 2-Speed Gear Box for variable speed options while drilling or hammering Includes adjustable auxiliary handle with depth rod, chuck key and carry case