The Model 0880/0881 environmental padlock is designed to protect against both physical attacks and harsh weather. It was made to withstand extreme weather for extended periods of time, and still open with the correct key when needed. With self-cleaning locking cylinders, the Model 0880/0881 opens quickly and easily even under the toughest conditions. Ideal for outdoor use in any climate, S&G environmental padlocks have become the standard of security in the railroad, utility, construction and refinery industries.