This OLFA® square ruler is easy to read, with its black numbers on the frosted background. And the ruler is easy to use, with its non-slip surface. The ruler is great for squaring larger blocks, borders, pillow templates and for square designs. (QR-16S, #1071800) Non-slip with black markings. Easy to read numbers and gridlines. 1in grid with 1/2in, 1/4in, and 1/8in increments.

Good For: precise measurements and cutting angles for sewing and quilting