Steel Padlocks for Harsh Environments SQUIRE Old English padlocks have forged steel shackles, steel cases, 4 lever lock mechanism and keyhole covers. They are excellent for use in outdoor conditions where other padlocks would seize and jam. Available in 3 sizes and are available keyed alike. Recommended for: Farms, park gates, sheds, garages, gates, lock ups etc. Suitable for use in extreme and harsh environments such as: Sand, ocean floor, exposed landscapes, forests, mud and dirt.