Drywall Hand Vacuum Sander, Number of Pieces 4, Length (Ft.) 6 ft, Construction Plastic, For Sanding Drywall Joints, For Use With Taping Knives, Mud Pans, Corner Bead, Drywall Tape and Drywall Mud, Includes Sanding Head, 6 ft Hose, Couplings for Most Shop Style Vacuums