The DW734 12-1/2" Thickness Planer with Three Knife Cutter-Head is powered by a 15 Amp motor for managing large, deep cuts in hardwood. Three-knife cutter head with speed of 10,000 rpm provides 96 cuts per inch, delivering one of the finest finishes of any portable planer. A four-column carriage lock drastically reduces the movement that causes snipe and extra-long infeed and outfeed tables provide 33-1/2" of material support. Disposable, reversible knives deliver 30% more knife life and make knife change fast and easy. Replacement blades are HH #1332-579.