52” Abrasive Finishing Machine with Digital Thickness Readout, Auto Set Thickness Adjustment, Vacuum Bed Hold Down and Motor Load Meters.GENERAL SPECIFICATIONS Belt Size: 52” X 103”Belt Head #1: 9.5” X 40 HPHead #1 Speed: 2800Belt Head #2: 30 HPHead #2 Speed: 2800Rotary Head #3: 7.5 HPHead #3 Style: Twin Pad Orbital 5”Head #3 Speed: 2950Belt Drive: 5 HPPassline: 32” - 38”Part Thickness: 6” MaximumINCLUDES: Digital Thickness Readout, Auto Set Thickness Adjustment, Vacuum Bed Hold Down and Motor Load Meters.