- Ideal for squaring off large and medium-sized finished quilting blocks and centering half square triangles
- Highlighted seam allowance provides a visual guide for accurate measurements
- Easy-to-read measurements make measuring a snap
- 30-, 45- and 60-degree line indicators make it easy to cut at perfect angles
- Optional non-slip vinyl feet can be added or removed without damaging the ruler
- Made of 3 mm-thick acrylic for lasting durability