The Omnigrip 8.5in square has a diagonal line for triangle cuts; the ruler has extra 1/2in on two sides for seam allowance. Ideal for secondary cutting of strips, and to square up finished quilt blocks. Diagonal line for triangle cuts; Left- and right-hand numbering and angle system. Patented non-slip backing to hold fabric in place during cutting.

• Color: Clear
• Made of: Acrylic
• Use: Quilting Ruler
• Size: 8.5in x 8.5in
• Included: One Ruler