Simplicity Creative Group, Inc Wrights 6-1/2-Inch-by-24-Inch Easy Rule II A clear acrylic ruler made for precise measuring Can reach across the entire width of folded fabric Features 1/4 inch seam allowance marked on all 4 sides at 3/8, 5/8, and 7/8 inch intervals in large easy to read numbers and letters Measures 6.5 by 24 inches