The Grainger website offers a variety of letter and number sets for facility identification and signage. These sets are available in a range of materials including plastic, aluminum, and photopolymer. Letter heights range from 1" to 12" and numbers range from 1" to 18". Sets are available in a variety of colors and can be ordered as complete alphabets with or without numbers. These durable and customizable options allow facilities to create customized signage for rooms, doors, equipment, and more. Grainger offers a wide selection of reputable brands including Seton, Brady, and ASI.