Stencil Set, Character Type Letter/Number Set, Duty Light, FAA AC 150/5340-1K Compliant No, Font Gothic, Included Characters, Messages, and Symbols 0 to 9, A to Z, Ampersand (&), Dash (-), Dollar Sign ($), Large Space, Period (.), Small Space, Includes (1) A to Z, 0 to 9, Ampersand (&), Dash (-), Dollar Sign ($), Period (.), Large Space, Small Space, Individual Character Height 1 in, Individual Character Width Not Applicable, Interlocking Yes, Interlocking Orientation Horizontal, Material PVC