Chicago Pneumatic 864 6" Heavy Duty Air Random Orbital Sander. Rotary and orbital motion for rapid removal as well as fine finishing. Sure-grip insulated handle. Crossbolt-style hub mounting minimizes vibration. Circular exhaust diffuses air flow. Applications - blending and smoothing filler, feather edging and pre-paint preparation. Specifications: paper size - 6", cfm - 5, hose size - 3/8", free speed - 10000 rpm, motor - 1/2 hp.