Powermatic 1791264K Chisel Mortisers; Maximum Spindle Speed (RPM): 1450.00 ; Chuck Size (Decimal Inch): 0.5118 ; Maximum Chisel Capacity (Inch): 1 ; Chisel Center to Fence (Decimal Inch): 3.9370 ; Head Vertical Travel (Inch): 8 ; Table Length (Decima