1、Wide Applicable RV Locks: This RV Door Lock can seamlessly replace most popular lock brands. These RV door locks provide extra security with a built in deadbolt. 2、Camper Trailer Door Lock: Designed for 1‑1/4in to 1‑1/2in door thickness, suitable for 2‑3/4in x 3‑3/4in aperture. Works well with cargo haulers, horse trailers or custom utility trailers. 3、Safe and Secure: Built in deadbolt and back locking function make this trailer door latch secure than a normal lock, ensures that your belongings are protected against theft. 4、Durable and Safe: Designed with premium materials to provide a secure and efficient locking system, perfect for camper trailers, ensuring the safety of your belongings. 5、Smooth and Quiet Operation: The double opening feature from inside and outside prevents the lock from sticking, assuring an efficient and noise free use.