The Report Lettering Guide is the same size and material as the Double Traffic Template Set, the Boat Template Set and the Sniper Template and will fit in the leatherette case provided with each of those products. The 4" X 8" size means it will also fit in most ticket book holders. The lettering guide has two different size slots (1/4" and 3/16") for printing. The guide lines printed on the template can be used to achieve even spacing between lines.