Perfect for circular and semi-circular designs as well as quilts, this Sew Easy Quilting Ruler 10 Degree Wedge is useful for your home sewing projects and general measurement work. It features a 1/4-inch seam allowance, as well as 45 degree and 60 degree markings.The ruler is made from tough, durable acrylic and laser-cut for smoother, more accurate cutting. To ensure precision, this features improved, sharper, two-colour grid with all essential measurements clearly marked.Size: 22.9 x 4.1 cm (9 x 1.6 inches)Perfect for circular, semi-circular and quilt designsMade from tough, durable acrylicLaser-cut edges for precision cuttingSew Easy Quilting Ruler 10 Degree Wedge