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Omnigrip 20½" Square Ruler



The Omnigrip 20½" square has a diagonal line for triangle cuts; the ruler has an 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 20½" 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

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