DEWALT 13-in W 15-Amp Benchtop PlanerPowerful 15 amp, 20,000 RPM motor handles larger cuts in wider materials with ease 3 knife cutter head with 10,000 RPM cutter head speed delivers 30% longer knife life and makes knife change faster and easier 2 speed gear box allows users to change feed speed to optimizing cuts per inch at 96 or 179 CPI Fan assisted chip ejection vacuums chips off of the cutter head and exhausts them out of the machine 19 3 4 in cast aluminum base is 2X more rigid