Omnigrid's Metric Quilter's Ruler assists with quilting projects and has centimeter markings on it. Omnigrid rectangle rulers are used for cutting strips and trimming fabric edges during quilt making or when executing a variety of sewing and fabric craft projects. It is made of a heavy-duty and durable acrylic material, use with a rotary cutter or a straight-edge blade. The laser cut edges allow for smooth, deep cutting and edge markings for accurate measuring. The patented double-sight lines show up on light and dark fabrics. It features a left- and right-hand numbering and angle system. It has multiple degree angle lines for easy pivot of 30°, 45°, and 60° cuts.Details:15cm x 30cm (5.9" x 11.8")Double-sight linesLaser cut edgesAcrylic