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Feature

Patented non-slip backing to hold ruler in place during cutting
Uniquely patented double-site lines that show up on light and dark fabric
Right and left hand numbering and angle system
Extra 1/2" for seam allowances
Made of heavy-duty acrylic, laser cut to within .002 inch accuracy

Description

The Omnigrip 16-1/2 Square Ruler is great for squaring up blocks and short strips. It has a diagonal line for triangle cuts, and an extra 1/2" on two sides for seam allowance. Features: patented non-slip backing to hold the 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; left-and right-hand numbering and angle system, and is made of heavy-duty acrylic material.