No lock.Replace M1-63Slam latches, push and pull closed cabin deck 1/2 inch doorThis kind of lock is widely used by all major yacht and yacht manufacturers. And it also applies to new applicationsFlush shape and simple mounting make this latch perfect. Hatches, activity wells, electrical enclosures and other compartments on boardspecification:Cut hole: 38mmColour: Blackmaterial: plasticDoor thickness: 1-10mm1 It includes all the hardware required for installation (screws, mounting plates and lock plates)2, anti-corrosion materials and reinforced plastic materials, durable, waterproof, no rust, light4. Widely used in equipment, ships, automation equipment, automotive industry5.Embedded configuration and simple mounting make this latch ideal for hatchesElectrical accessories, and other cabins on your vessel, RVPackage Contents:6 x RV Lock6 x AccessoriesOnly the above package content, other products are not included.Note: Light 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.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it!d