Powermatic 1270173 Model 27S 1/2-Inch and 3/4-Inch Interchangeble Spindle 5 Horsepower Shaper, 230-Volt 1 Phase 5HP motor, 1Ph motor 1/2 - 3/4 inch Inter. spindle Extra large 30 x 40 inch cast iron table Spindle speeds of 7,000 and 10,000 RPM, reversible Removable inserts make the use of any cutter safer via undercutting