Cut an array of popular pre-cut shapes from 5 inch square precuts or from scraps. Or cut around the ruler to cut your own charm squares! The quarter inch grid covers the entire square. Popular cuts such as 2-1/2 inch, 3-1/2 inch, and 4-1/2 inch squares are highlighted. A diagonal line makes quick work of trimming half-square triangles. It comes with fully illustrated step by step instructions or scan the QR Code printed on the ruler to view a video demonstration. The ruler slides easily over the fabric until pressure is applied. Then, the exclusive gripper holds the fabric in place while cutting, eliminating slipping and miss-cuts!