This handy little machine packs a real punch in a small package! It weighs only 64 lbs but it will cut perfect bevels from 15-45 degrees on the outside edges of plates, bar stock, flats or square stock. Simple operation, suited for unskilled personnel to use safely. Will bevel any length of steel, cast iron, nonferrous metals, plastics, acrylics, etc. Fast, accurate and time saving with easy to change carbide insert cutters.MOtor is 110/220 volt and runs at 3500 rpm, guide rails are 19 5/8" long and can be replaced to easily and accurately guide longer pieces. Inserts are 4 sided app 1/2" square x 1/8" thick solid carbide positive ground so you can get 4 cutting edges from each insert. We supply extra inserts (our part #ADBC-510) for $8.72 each. Industry standard number for insert tooling is SPMN422 mfg by Mitsubishi.