YHS curve surface sander is the latest innovation in sanding technology,featuring a patented combination of rollers and oscillating discs .The combination of rollers and rotating/oscillating discs makes the YHS curve surface sander the ideal finishing solution for entry doors,cabinet doors,drawer fronts,sheet goods,shutters,face frames,furniture and much more.YHS curve surface sander is the ideal solution for all sanding applications including whitewood,stain and sealer coats.