No lock. Replace Southco M1-63 Slam latches, push and pull closed cabin deck 1/2inch door This kind of lock is widely used by all major yacht and yacht manufacturers. And it also applies to applications Flush shape and simple mounting make this latch perfect. Hatches, activity wells, electrical enclosures and other compartments on board specification: Cut hole: Φ38mm Colour: Black material: plastic Door thickness: 1-10mm description: 1. 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, light 3. Widely used in equipment, ships, automation equipment, automotive industry 4. Embedded configuration and simple mounting make this latch perfect for hatches electrical accessories, and other cabins on your vessel, RV Package Contents: 3 x RV Lock 3x Accessories Only the above package content, other products are not included. Note: Light shooting 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.