Omnigrid Ruler - 12 1/2 " x 12 1/2" Square

The Omnigrid 12-1/2" x 12-1/2" ruler features an extra ½" width for seam allowances; it is used to cut, square and trim blocks sized 12-1/2" and under when quilting.
In general, Omnigrid square rulers are used for secondary cutting of strips, and to square up finished quilt blocks
Use with a rotary cutter or a straight-edge blade
The 12-1/2" x 12-1/2" ruler has the following standard Omnigrid features:
- Diagonal angle line
- Edge markings for accurate measuring
- Laser cut edges for smooth, deep cutting
- Patented double-sight lines that show up on light and dark fabrics
- Heavy-duty durable acrylic material
- Left- and right-hand numbering and angle system