PROCESS: The RV lock is well-constructed with multiple casting process and Zinc alloy material. Featuring the high hardness, each side is carefully designed to and durable. Oxidation treatment, wear resistance. Smooth surface, hand of easy open. PREMIUM & DURABLE: Thickened solid base for stable installation. quality Zinc alloy and IPX3 waterproof material, providing years of dependability and durability for long-term outdoor use. Additionally, the keys are made of ALL metal and it is not easy to fracture. VERSATILE DOOR LOCK: Fits most RV doors .It can be widely applied in travel trailers, campers, trucks, horse trailers, cargo haulers, etc., practical for protecting the contents in cars. SAFE & PROTECTIVE: With built-in deadbolt and function of back locking, it's much than normal lock. Inside and outside double open, mute design and smooth switch, not card lock, better protecting your goods and commercial material from thefts. Product name:RV door lock with double lock cylinder inside and outside Surface treatment:spraying Locking :key lock 1. Anti-vibration structure: avoid abnormal noise and loose components; 2. Zinc alloy lock body; strong and durable, good wear resistance. 3. The installation accessories are complete and can be installed upon receipt. 4. The surface spraying process has strong oxidation resistance, can resist harsh environments, and reduce the risk of violent damage. 5. Wide range of applications: RV entry door locks for travel trailers, campers, cargo, minivans and more installation steps: 1. Unscrew and remove the pressure plate assembly. 2. Install the front assembly into the door panel hole. 3. Assemble the pressure plate assembly with the front part. 4. Install the fixing plate. 5. Install the gusset. Colour:Black Material:Zinc alloy Size:About 110x121x60mm Package Contents: 1 * RV door lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.