Omnigrid R45125S 12-1/2-Inch Square Value Pack, 4-Count
The Omnigrid 12-1/2" square value pack contains 1 each of 4 square Omnigrid quilting rulers (4-1/2", 6-1/2", 9-1/2" and 12-1/2"). Each has an extra ½" for seam allowances and diagonal angle lines. Use them to cut, square and trim blocks. 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.