No lock. Replace M1-63. Slam latches, push and pull closed cabin deck 1/2 inch door. This type of latch is widely used by major yacht and boat manufacturers and is suitable for new applications. Flush design and simple mounting make this latch ideal for hatches, activity wells, electrical enclosures, and other compartments on board. Specifications: Cut hole: 38mm Color: Black Material: Plastic Door thickness: 1-10mm Features: 1. Includes all hardware required for installation (screws, mounting plates, and lock plates). 2. Made of anti-corrosion and reinforced plastic materials, durable, waterproof, rust-proof, and lightweight. 4. Widely used in marine equipment, ships, automation equipment, and the automotive industry. 5. Flush configuration and simple mounting make this latch ideal for hatches, electrical enclosures, and other compartments on vessels and RVs. Package Contents: 6 x RV Lock 6 x Accessories Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement allows an error of +/- 1-3cm.