WRIGHTS-Easy Rule II is a clear acrylic ruler made for precise measuring. This ruler can reach across the entire width of folded fabric. Features 1/4" seam allowance marked on all 4 sides at 3/8" 5/8" and 7/8" intervals in large easy to read numbers and letters. Also marked with 45 and 60 degree angles. Great for borders! Ruler measures: 6.5" x 24".