Hitachi H45FRV Round Hex Demolition Hammer  (Discontinued by Manufacturer) Spline Round Hex Bits 3,000 Blows per minute 9.2 ft./lbs. of Impact Energy Only 17-inches long Comes with a 1-year limited warranty Spline Round Hex Bits 3,000 Blows per minute 9.2 ft/lbs of Impact Energy only 17 inches long Variable Speed reverse switch