The 2½'' x 2½'' Omnigrid® Ruler with Grid is great for miniatures and colorwash quilts, squares up scraps, half square and quarter square triangles. 1/16'' markings on edges with a 1/8'' grid, portable and versatile, easy to take with you. It has a 45° diagonal line for use with sewing, crafts, quilting and weaving. Omnigrid® rulers are made from a durable, premium quality acrylic plastic and laser cut for a smooth edge that allows for easier, deeper cutting of fabric layers. The patented double line effect is printed in black and yellow which allows the user to see the grid on both dark and light fabrics. Designed for left and right handed users.