Porter Cable Drywall Sander, Used In Conjunction With The #7812 Vacuum For Finishing Walls & Ceilings, Near Dust Free, Variable Speed 1,400-2,000 RPM Motor For Operator To Adjust Sanding Rate, Sander Will Reach Up To 10" Ceilings Without Stilts, Patented Foam Back Sanding Discs & Articulating Head Design Floats Over Seams/Tapered Drywall Joints Without Swirl Marks, Brush Type Skirt Around Head Creates A Curtain Of Suction For Efficient Dust Pick Up Even On Outside Corders, Includes 1-1//4" Vacuum Hose 13' Long, Sanding Disc & Velcro Straps To Hold Power Cord & Hose Together.