This Ryobi Belt/Disc Sander is a combination belt and disc sander that delivers 120V of power to help provide efficient operation. The cast iron base helps keep the sander stable during use so you can apply the desired amount of pressure and achieve consistent results. The die-cast aluminum table can be positioned horizontally or vertically for your convenience, and the lockout power switch helps provide safety. Belt arm can be positioned from 0-90º to allow vertical or horizontal sanding. Multi position work table provides 0-45º support while disk sanding. Tool free belt tension release makes changing sanding belts quick and easy. Large belt tracking knob for easy belt positioning. Cast iron base for additional stability and less vibration