Weatherproof Adjustable Trailer Coupler Lock Anti-Theft Hitch Pin Lock, 21cm Secure your trailer with this robust, weatherproof Trailer Coupler Lock, designed to protect against theft in all weather conditions. Whether your trailer is hitched or unhitched, this lock provides reliable security. Its quick-install design allows for easy setup, and it is crafted from durable iron to withstand various climates. The adjustable size and strong locking mechanism make it ideal for travel trailers and other hitch types. Durable Weatherproof Protection: Iron construction ensures lasting protection in both hot and cold weather. Anti-Theft Design: Offers high-security locking mechanism to protect trailer whether connected or disconnected. Quick Installation: Simple setup saves time and effort, with a secure fit for travel trailers and other hitch types. Adjustable Fit: Measures 21cm x 11cm x 11cm, designed to fit a variety of hitch sizes. Complete Set: Includes trailer connection cover, lock, and two keys for convenient use and backup. (description exceeds maximum possible length)