Single-gang models include 3 patented inserts that create 16 different combinations, can be hung vertically or horizontally Reinforced hinge pin designed to exceed 40 lb hinge hang/stress test Impact rated: 12 lb impact test to ensure cover remains intact Lockable hasp: accepts up to 0.25" diameter shank Meets requirements for cold impact testing: -60 DegreeF (-51 DegreeC)