Omnigrip - Neon Square Ruler, 12-1/2" x 12-1/2" by Omnigrid

The Omnigrip 12-1/2"" square has a diagonal line for triangle cuts; the ruler has extra 1/2"" 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 12-1/2"" 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