Feature 1Zinc Alloy Construction: Crafted from high hardness zinc alloy, this RV door lock features an anodized surface that is waterproofing and wearproof, providing a beautiful appearance and comfortable feel, ensuring reliability and durability for long term outdoor use. 2Stylish Black Design with Dust Protection: The lock's sleek black design seamlessly matches your RV's exterior. It is equipped with dust protection foam, effectively preventing rainwater and dust from entering the lock cylinder, thereby extending its lifespan. 3Dual Functionality and Enhanced Security: Featuring both interior and exterior opening functions, this lock includes a dual lock design with two matching keys. One lock controls the reverse lock while the other controls the door handle, offering more security than standard locks and ensuring added safety for your travel trailer. 4Versatile Replacement Use: Suitable for replacement, renovation projects, this door entry lock is widely applicable for travel trailers, camping vehicles, trucks, horse trailers, cargo haulers, and more, offering practical protection for the contents of your vehicles. 5Dependable Outdoor Performance: Built to withstand the rigors of outdoor conditions, the RV door latch provides consistent performance, combining functionality with aesthetics, making it an essential security upgrade for any outdoor travel enthusiast.Item Type: Travel Trailer Door LockMaterial: Zinc Alloy + ABS, Surface AnodizedInstallation Type: Screw FixingInstallation Hole Size: Approx. 63x90mm / 2.48x3.54inInstallation Thickness: Approx. 30-37mm / 1.18-1.46inCharacteristic: Inside and outside double opening function; double lock design, one lock controls the reverse lock and one controls the door opening handle, more secure than ordinary locking bolts, providing extra security for your travel trailer or other trailersApplicable Scenarios: Easily replace damaged or worn out latches, it can be widely used in travel trailers, camping vehicles, trucks, horse trailers, cargo carriers, etc., suitable for protecting the contents of the vehicle. Package List1 x Lock2 x Bolt Latch4 x Screw2 x Key1 x Instruction Manual