Medium size ruler for cutting squares up to 121⁄2″. Useful for cutting strips up to 121⁄2″ wide. Ideal for squaring up blocks. Perfect for cutting half-square and quarter-square triangles. 45° line for bias strip piecing, 60° line for equilateral triangles. Laser cut for an accurate and smooth finish. Red grid with black writing. Economical alternative to Creative Grids (Made in the USA) that is Made in China.