The Grainger website offers a wide selection of facility identification letters and numbers for industrial, commercial, and institutional use. These durable signs are made from materials like plastic, aluminum, or stainless steel and come in a variety of sizes, colors, and styles. They can be used for labeling equipment, designating areas, identifying aisles and bays, and more. Grainger offers options for mounting including adhesive backing, magnets, hanging hardware, and screw holes. These identification products are weather, chemical, and UV resistant. Grainger provides fast shipping on orders.