The all new Summit Mailbox is super-sized for owners that receive a large amount of correspondence. This box is heavy duty, designed to prevent prying with strict tolerances and a unique hopper incoming door that accepts bulky items easily but can not be reached into very restrictive. A quality hardened double latch Cam Lock comes standard ( optional Combo Lock is available). Made of rolled aluminum to prevent leaks and strength, pre-drilled mounting holes. Stainless Steel hinges for many years of service.