This Creative Grids Perfect Rectangle Ruler (CGRTMT3) features a 2 to 1 ratio to cut proportional half rectangles up to a finished height of 9 inches. Piece perfect pieced rectangles. The ruler comes with fully illustrated step-by-step instructions or scan the QR Code printed on the ruler to view a video demonstration. The ruler slides easily over the fabric until pressure is applied. Then, the exclusive gripper holds the fabric in place while cutting, eliminating slipping and miss-cuts! Total Size - 5in x 9-1/2in.
 
A pattern that uses this ruler is the Dancing With the Stars Runner Pattern.