Use the Omnigrid Quilter's Ruler 3'' x 18'' to cut fabric with ease. Featuring an acrylic construction with yellow and black prints, this ruler lets you view the grid irrespective of whether you are working on light or dark fabrics. The laser cut edge of the ruler allows deeper cutting of fabrics. To enable the easy arrangement of fabric, the ruler features 30, 45 and 60 degree angle lines. This quilting ruler is designed for both left and right handed users.