The Lynco "Glad-Hand Trailer Lock" (081-02100) is a durable and easy-to-install exterior lock designed for car and truck trailers. Manufactured by Lynco Products in Taiwan, this red plastic lock features a unique Glad Hand design and includes all necessary mounting hardware for installation on the rear of the vehicle. With its sturdy construction and convenient features, this trailer lock provides a secure and reliable solution to protect your trailer and valuables while on the road.