Product Info Catalog Hardware Signs, Letters & Numbers Signs, Letters & Numbers House Address Number "3", Reflective, 911 High-Visibility, 5-In. House Address Number "3", Reflective, 911 High-Visibility, 5-In. Request a Quote UPC: 29069009236 SKU: 749823 Model Number: 923 Use these house numbers on your home, or mailbox post for safety purposes. Assists fire, EMS, and police to find your home at night or in bad weather. 5" Reflective Hi-Visibility House Number High-grade retroreflective material Mount with nails or screws