Description: Well-constructed with die-cast zinc alloy, this RV door locks for travel trailers is 100% METAL High hardness, oxidation treatment and wear resistance, durable With built-in deadbolt, adding an extra level of security to your travel trailer. Moreover, the lock cylinder is totally tamper-proof, which means each lock set comes with UNIQUE KEYS All the necessary hardware included for install. This camper lock replacement comes with up 2 double-edged keys, 10 screws (3 different length), and 2 mounting plate This type fits hole cutouts from 2-1/2" x 3-1/2" to 3" x 4" as well as door thicknesses from 1-1/4" to 1-1/2" Specification: Cutting Size Fits 1-1/4" to 1-1/2" Door Cutout:2.75" W x 3.75" H Can be utilized for horse or cargo trailers. How to Replace 1. Install the front part into the door 2. Mounting strike plate 3.Verify the deadbolt knob to match the front part 4.Assemble the back part,and mount pinch plate and tighten the screws Package Includes: 1x RV Entry Door Lock with Accessories