3M™ Orbital Sander is designed to maximize finishing performance on flat surfaces. Its work face easily gets into corners and angles to deliver an exceptionally smooth, professional surface on metal, wood, composites, and advanced materials. This system includes a 3M™ Hookit™ Clean Sanding Pad, 3M™ Filter Bag Adapter and a 3M™ Clean Sanding Filter Bag.3M Orbital Sander features a 0.24 hp (179 watts) motor with a 1/8 inch (3.0 mm) diameter circular sanding action ideal for flat surface finishing and sealer sanding. These pneumatic air-powered sanders run on power generated by an air compressor for hours of continuous use.