DEWALT 15-Amp Benchtop PlanerPowerful 15 amp, 20,000 RPM motor (10,000 RPM cutterhead speed) handles larger cuts in wider materials with ease 3 knife cutter head 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 2 times more rigid