Sidewinder, rolling carriage, skateplate, transforms right drive circular saw (sidewinder) into a precision cutting tool, two durable polyurethane rollers with delrin bearings put saw on a rolling track ensuring minimal friction during the cutting process, making straight & smooth cutting easy, while increasing cut efficiency, highly durable glass filled nylon, fits wide range of corded, right drive 7-1/4" circular saw brands, installation & removal of skateplate takes minutes, reduced kickbacks, less strain & fatigue, nominal amount of cut depth loss, includes skateplate & skateguide.