DEWALT DW735 13-Inch, Two Speed Thickness Planer Powerful 15-AMP, 20,000 RPM motor (10,000 RPM cutterhead speed) handles larger cuts in wider materials with ease Three knife cutter-head delivers 30-percent longer knife life and makes knife change faster and easier Two 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