10-20 Plus Bench Top Drum Sander, 1HP, 1Ph, 115V Infinitely variable feed rate from 0 to 12 feet per minute for surface, dimension, and finish sanding Patented abrasive take-up fasteners for quick abrasive changes Self-cooling precision-machined and ballanced 5" x 10" extruded aluminum drum TEFC motor prevents dust infiltration Continuous-duty, motor allows heavier use for longer periods Precision-flattened reinforced steel conveyor bed No-give power feed conveyor belt Zinc-plated steel tension rollers mount next to the drum Drum height and downward pressure are adjustable, eliminating snipe 1/16" per turn height adjustment Easy-to-use cast iron height adjustment handwheel allows both radical height changes and minute adjustments for extremely precise sanding thickness control Minimal assembly required Minimum of 400 CFM dust collection recommended Safety power switch with overload protection on front of base Drum operates at 1,700 RPM Drum ball bearing is sealed and permanently lubricated