Features: 1) Models: BY782, BY787, JM773, JM777, YB761, YB767 2) Power: 1 - 1.5HP 3) Diameter: 17 Features:1) Models: BY782, BY787, JM773, JM777, YB761, YB7672) Power: 1 - 1.5HP3) Diameter: 17', 20'4) Speed: 175 Outer packing: Cartons Vacuum Cleaners, Floor Polishing Machines and Burnishers