The Omnigrip® 7-1/2” square has a diagonal line for triangle cuts; the ruler has extra ½” on two sides for seam allowance.

• In general, Omnigrip square rulers are used for secondary cutting of strips, and to square up finished quilt blocks
• Use for quilting, sewing and crafts – or any DIY project that calls for cut fabric
• Use with a rotary cutter or a straight-edge blade
• The 7-1/2” square ruler has the following standard Omnigrid® / Omnigrip features:
  • Patented non-slip backing to hold ruler in place during cutting
  • Edge markings for accurate measuring
  • Laser cut edges for smooth, deep cutting
  • Patented double-sight lines that show up on light and dark fabrics
  • Diagonal line for triangle cuts
  • Heavy-duty durable acrylic material
  • Left- and right-hand numbering and angle system