The 4-1/2" x 4-1/2" ruler with 1/8" grid features an extra 1/2" width for seam allowances and is a great template for 4" finished blocks; it is used to cut and square blocks 4-1/2" and under, and to trim and square foundation piecing blocks.
In general, 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
1/8" grid markings for drafting and cutting
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