291-002 4 x 36 inch belt sander frame with platen is designed to mount on the motor, hold the yoke and have a non-replaceable platen. This frame has mounting holes for the adjustable steel work table.
563-002 6 X 48 INCH INDUSTRIAL BELT SANDER STEEL PLATEN
563-002 6 x 48 inch industrial belt sander steel platen is a reversible and replaceable steel platen will fit on all 6 x 48 inch belt wet and dry belt sanders.