Half & Quarter Ruler......Fons & Porter Half & Quarter Ruler is ideal to cut half-square and quarter square triangles in a snap. Its easy to position because of its compact size and features clear markings for accurate cuts. Use this specially designed craft ruler to cut even or half-inch wide strips for scrap quilts. Easily cut squares from the same strips that have been used to cut triangles. Brand: Fons & Porter Includes double pinwheel block instruction Dimensions: 10.2 x 0.2 x 5.2 inches This easy to use ruler takes the math out of cutting half-square and quarter-square triangles It lets you cut both types of triangles from strips rather than by cutting squares diagonally into triangles This is a special ruler for scrap quilts because you use strips of even-inch or half-inch widths Ruler features an acrylic construction with easy to follow black and yellow markings