Description: This is the ultimate lock for use in marine environments where salt air is present. The lock body is constructed of durable die cast zinc, and covered with a soft touch weather and UV resistant case. This 50mm lock body features an easy-to-use 4 dial combination, so you can select your own personalized setting. Easy to reset! Industrial grade die cast zinc covers protect the 4 resettable dials - providing increased corrosion resistance in harsh, damp conditions. This product is ideal for all types of boat docks, trailers, use on piers or anywhere the salt air corrodes traditional steel locks. Our line of corrosion resistant locks are designed to perform in even the most harsh environments.