Ryobi RPD800-K Percussion Drill is compact and lightweight for easy drilling and features a variable speed wheel for ultimate control. Has an auto lock spindle and keyless chuck for quick and easy changes. Also features a hammer mode, and a bright LED work light. Supplied with a kit box, and additional side arm. Specification Input Power: 800 Watt.No Load Speed: 0-3,000/min.Impact Rate: 0-51,000/bpm. Chuck: 13mm Keyless.Capacity: Wood: 34mm, Metal: 13mm, Masonry: 16mm.Weight: 1.8kg.