Omnigrid 3-1/2" x 24" Rectangle Quilting and Sewing Ruler Cut strips and trim fabric edges during quilt making or when executing a variety of sewing and fabric craft projects. Heavy-duty durable acrylic material for use with a rotary cutter or a straight-edge blade. Multiple degree angle lines for easy pivot of 30, 45 and 60 degree cuts. Laser cut edges for smooth, deep cutting and edge markings for accurate measuring. Patented double-sight lines that show up on light and dark fabrics. Left- and right-hand numbering and angle system. Color yellow.