Take full advantage of Charm Squares using the Creative Grids Perfect 5 Ruler. This small but handy tool is just the right size for cutting up charm packs into smaller pieces for quilt tops. Easily cut a perfect 4-1/2-inch square, four 2-1/2-inch squares, or nine 1-1/2-inch squares. You can also use the Creative Grids Perfect Five Ruler to square up half-square triangles. Creative Grids Perfect 5 Ruler was designed by It's Sew Emma and is made in the USA.