4 Piece Plastic Lettering Guide Stencil Set (10, 16, 20, 40mm Letter Size) Includes Upper and Lowe Case, Alphabet, and Numbers. Great for making signs, posters and more! Letter guides let you stencil perfectly shaped letters and numbers each time. Set of 4 guide plates. Colors may vary from Picture shown. Letter Sizes - 10, 16, 20, 40mm