Dritz Measure & Mark Ruler is a multi-purpose sewing ruler designed with all the essentials required for altering garments, measuring fabric yardage and grainlines, adjusting fit lines, and transferring pattern markings. The Measure & Mark Ruler measures 4-1/8" wide by 18" long and has additional yardage markings at 1/8, 1/4, and 3/8 yards. Bonus features include centering measurements, spacing guides for buttonholes and pleats, bias angles, and cutting slots. Made in the USA with optical-grade laser cut 1/8" acrylic.