RUPES HSS73 Rectangular Orbital Mini Sander w/iBrid Technology [HSS73/BETA]HSS73 Rectangular Orbital Mini Sander with iBrid Technology The HSS73 Orbital Mini Sander with iBrid Technology is ideal for the sanding of wood, composite, plaster, and other surfaces in virtually any industry. It features a delta shaped multihole rubber plate for efficient vacuum, which is specially designed to sand narrow surfaces as shutters, drawers, chairs, and more, as well as sanding and preparation of internal surfaces in the marine industry.