The Grainger website offers a wide selection of facility identification letters and numbers for industrial, commercial, and institutional use. These durable plastic, metal, or photopolymer letters and numbers can be used for labeling buildings, rooms, equipment, storage areas, and more. Options range from 2 inch to 12 inch tall characters in a variety of colors like black, white, red, yellow, green, and blue. Letters and numbers can be purchased individually or in labeled kits for easy installation. This identification system helps facilities comply with OSHA regulations and improves organization and wayfinding. Grainger offers fast shipping on a huge in-stock selection.