SEW EASY Quilting Ruler 30.5 x 16.5 cm (12 x 6.5 in) is a practical tool for measuring, marking, rotary cutting, quilting, patchwork, borders, and fabric strip cutting. Size/format: 16.5 cm; 6.5 in; 30.5 x 16.5 cm; 12 x 6.5 in. The format is suited to craft rooms, sewing baskets, classroom bins, project totes, and organized maker spaces. It keeps supplies easy to identify, use, and return to storage between projects.