TIME-SAVING DEVICE MAKES INSTALLING OLD ;WORK ELECTRICAL BOXES EASY & EFFICIENT ACCURATELY MARK & CUT PRECISE HOLES IN ;PANELING OR DRYWALL FOR SINGLE OR DUAL GANG PLATES INCLUDES VERTICAL & HORIZONTAL VIALS ;TO SQUARE TOOL IN EITHER POSITIONUPC : 792136533155Shipping Dimensions : 8.25in X 5.00in X 0.75inEstimated Shipping Weight : 0.1864