Trailer Door Latch Inside Outside Double Open Zinc Alloy Galvanized for Large Vehicles Feature: 1. Interior and exterior assembly, with built‑in deadbolt better protecting your goods from thefts, travel worry free. 2. Multiple casting process allows it to stand harsh weather, upgraded assembly process makes it more durable. 3. Fits hole cutouts from 2 1/2in x 3 1/2in to 3in x 4in and door thicknesses from 1 1/4in to 1 1/2in. 4. Using zinc alloy material, sturdy, erosion resisting, oxidation treatment, wear proof, for long‑term outdoor use. 5. Include 2 keys, 8 screws with different length to meet your different needs, both inside and outside latches, easy to install. 6. The installation accessories are complete, direct installation, convenient and quick, the matching key shell can be used directly, the whole surface is powder‑coated, good hand feeling. Specification: Item Type: Trailer Door Latch Sliding Bolt Material: Zinc Alloy Galvanized Door Lock Component Processing: Black Powder Coating Fixing Plate and Bracket Material: Steel Alloy Galvanized Colour: Black Function: Modification, Installation, to Protect the Property in the Car More Securely and More Confidentially 1 Set (Two Keys are Delivered, Can Be Used Directly, and Installation Fixed Latch) Fitment: For RV, Yacht, and Other Large Vehicles How to Use: Install and fix at the door lock Package List: 1 x Door Lock 1 x Latch 1 x Latch Bracket 4 x Key 8 x Long Screw 2 x Short Screw 2 x Screw Spike Note: