Marking Ruler Trio with Lengths 4", 6", 12"The Omnigrid Marking Trio contains 3 rulers that can be used to quickly and accurately mark stitching lines. Rulers are 1 2" x 4", 6", and 12". Perfect for marking pre cuts to make half square triangles. Double sight line is printed down the middle of each ruler providing visibility on light and dark fabric. 1 8" thick optical acrylic is laser cut for a smooth edge and accuracy. Item Number: R1264S 1 8" ruler markings along edge of ruler for