Omnigrip 12.5" Square Ruler
The Omnigrip 12.5" square has a diagonal line for triangle cuts; the ruler has an extra 1/2" on two sides for seam allowance. Ideal for secondary cutting of strips, and to square up finished quilt blocks. Heavy-duty durable acrylic material. Diagonal line for triangle cuts; Left- and right-hand numbering and angle system.