Reverse Pan-Channel letters can be used for many different applications where depth of the letter is deeper than .5". The thickness, style, height, width, color, size, and materials are all custom and can't be changed to meet any of your needs. The thicker the letter or logo will have more of an impact on the viewer, this of course has its limits, anything over 5 inches in depth can be harder to read depending on installation locations. Since no job is the same, we will discuss all your needs her project. The basic manufacturing technique of the letters are the same, but if you add neon or LED illumination then they have to be built to local electrical codes this, may affect stroke width and depth.