Protect your mail with our premium lockable post mounted mailbox, providing security without sacrificing style. Constructed from heavy-duty 16 gauge steel with galvanization and black powder coating for superior weather resistance. Mailbox Specifications: Dimensions: 20.5" long × 10.5" wide × 8" tall Mail slot size: 9.5" long × 1.5" high Material: 16 gauge steel (galvanized and black powder coated) Security: Lockable design with 2 keys included Installation: Pre-drilled holes for mounting on 4×4 horizontal wood post Key Features: Enhanced Security The lockable design with included keys protects your mail and packages from theft and unauthorized access, providing peace of mind. Weather-Resistant Construction Heavy-duty 16 gauge steel with galvanization and black powder coating ensures long-lasting performance in all weather conditions. Convenient Mail Slot The 9.5" × 1.5" mail slot accommodates daily mail delivery while maintaining security for items already inside. Customization Options Personalize your mailbox with matching 4" aluminum address numbers (available separately with no additional shipping charge). Why Choose This Mailbox In neighborhoods with mail theft concerns, our HC139 secure mailbox provides essential protection while maintaining a stylish exterior. The perfect combination of security, durability, and design for today's homeowners.