This box is made from rugged ADC-12 die cast aluminum, and features hard-to-lose captive screws in the covers. The level of protection that this enclosure provides is unmatched. It has been designed to meet NEMA 1, 2, 4, 4x, 12 and 13 ratings. It meets IP65, IP66, and even IP67 (submersible). It also provides strong EMI/RFI protection capabilities. With many bonus features, it provides even more value and flexibility.