Features: 1.Application: Applicable for campervans, fifth wheelers, bumpers, horse and cargo trailers, suitable for most trailers with an opening of 3.75 x 2.75 x 1.5 in / 9.5 x 7 x 3.81cm. 2.IP67 waterproof: With IP67 waterproof performance, the lock could adapt to harsh outdoor environment, ensure that your car door lock can be used for a long time. 3.Anti Rust and Dustproof: Adopts special sealing gasket design to effectively prevent rust and dust of locks and accessories. 4.Advanced Locking Technology: Will not be easily damaged, the mechanical structure is strong, firm, and the precision structure ensures your driving safety. 5.Simple Installation: Comes with screws of different lengths to provide seamless installation, and each lock set comes with unique keys for higher security. Specification: Item Type: Mechanical RV Door Latch Material: ABS, metal Keyhole Opening Size: 3.7in / 9.4cm height, 2.75in / 6.99cm width, 1.5in / 3.81cm thickness Application: Applicable for campers, 5th wheel, bumper pull style, horse, and cargo style trailers, fits for most traveler trailer entry doors. PackageList: 1 x Mechanical Lock 1 x Inner Handle 2 x Key 2 x Lock Plate Buckle 8 x Screw 1 x Instruction Manual