High-quality materials: The large RV lock is made of high-quality zinc alloy and premium ABS, making it durable and reliable. At the same time, black and pearl white color options are available for you to choose to match your interior design. Features: The keyless, low-profile push-button lock securely locks your cabinet doors and prevents you from opening them when moving and tilting your yacht, boat, or RV. Scope of application: The knob cabinet locks are suitable for all types of RV cabinet doors, furniture drawers, wardrobe doors, and cupboard furniture. Size: For doors and drawers with a thickness of 15-18 mm, the hole diameter is 26 mm. Easy installation: You don't need to go to a professional to install it. When you receive the package, the main components are already assembled. All you have to do is mount the locking screw.