The standard, all-purpose ruler for cutting every shape when quilting strips, borders and bias pieces. It can also be used to cut across joined strips and to cut geometric pieces for patchwork. 6″ x 24″ covers the width of fabric. Edge markings for easy and accurate measuring. Patented double-sight lines that show up on light and dark fabrics. Can be used with a rotary cutter or a straight-edge blade. Patented non-slip backing holds ruler in place while cutting. Left- and right-hand numbering and angle system. Multiple degree angle lines for easy pivot of 30°, 45° and 60° cuts. Made from heavy-duty durable acrylic material.