🔑Durable Materials – This Key Lock Box is made with a striking balance of strength from Zinc Alloy, Aluminum, Water Proof plus Weather Resistance. Protects your keys from being damaged by drill, hammer, saw and other means. | 🔑Metal Constructed Body - Locking Mechanisms. Key Lock Box can be used for Home, Vacation Rentals, Businesses, Real Estate Office and Warehouse | 🔑Easy Installation