Vacuum Sander, Number of Pieces 4, Size 9-1/4 x 3-1/4, Length (Ft.) 6 ft, Dustless Drywall Sanding, Pivoting Elbow, Adjustable Vent, For Drywall Joint Sanding, For Use With Standard 9 in x 11 in Sanding Screen, Most Shop Type Vacuums, Includes 6 ft Hose, Coupler, And Adapter