Description The Omnigrip® 8-1/2″ x 24″ ruler is a rectangular ruler used for cutting strips and trimming fabric edges during quilt making or when executing a variety of sewing and fabric craft projects. Designed for cutting 8in borders. A 1/2in seam allowance is included along one side, making it easy to cut a border of any width up to 8in finished. Handy for secondary cutting of blocks up to 8in finished. Standard angle and 1/8in markings are included. For use with rotary cutters & straight edge blades. Transparent, neon green double-sight lines that seem to glow on both light and dark fabrics.. 8 1⁄2″ x 24″ Non-slip backing.