Set of 2 Weatherproof Padlock Made of Solid Steel Set of 2 Weatherproof Padlock Made of Solid Steel. Crafted for superior security, its laminated steel body adds strength and durability . . . while plastic cover protects against the most extreme weather conditions. Self-locking: automatically locks by pushing down the shackle. Heavy-duty shackle makes it difficult to cut through, with covered keyhole, dirt and moisture stay out. Lock comes with three keys and measures 3" x 2" x 1".