Creative Grids 12.5″ Square Quilting Ruler
Easy to read on either light or dark fabrics.
Black and white markings printed in 1 inch grids marked in 1/8 inch and 1/4 inch increments.
Use 45-degree line to trim half-square triangles to size; center of the ruler is well marked to square up blocks.
Slides easily over fabric until pressure is applied; gripper holds fabric in place while cutting, eliminating miss-cuts