Trailer Hitch Coupler Lock – Secure, Compact, and Built to Last Key Features and Benefits: • Wide Compatibility – Designed with a 1/4 inch diameter lock pin and a maximum effective span of 3/4 inch, this coupler lock fits most latchtype couplers. Ideal for towing trailers, boats, RVs, trucks, cars, and tractors. Always verify pin dimensions before to ensure proper fit for your specific hitch setup. • Easy to Operate – The padlockstyle mechanism offers a straightforward way to secure your trailer. Lock and unlock quickly by turning the flat key 57 times. Compact size allows easy storage in your pocket, glove compartment, or toolbox, so you always have it on hand when needed. • Strong, Reliable Protection – Constructed from strength zinc alloy to resist tampering and deter theft. Gold electrophoretic coating combined with zinc plating helps prevent rust and corrosion, extending the service life of the lock even in challenging outdoor conditions. • Two Keys Included – Comes with a primary and spare key. Keep one in your vehicle and store the other in a secure location for emergencies or share with a trusted family member for convenience. Practical Applications: • Safeguard your trailer when parked at a campsite under RV use. • Secure boat trailers during offseason or storage at a marina. • Protect utility trailers and farm equipment such as tractors when left unattended. Specifications: Pin Diameter: 1/4 inch Maximum Effective Span: 3/4 inch Material: strength zinc alloy with gold electrophoretic coating and zinc plating Design: Padlock style with flat key operation Included: 2 flat keys This trailer hitch coupler lock offers durable protection, ease of use, and compatibility with a wide range of towing setups, providing dependable security wherever your work or travels take you.