Appearance: Most of the lock body is made of plastic material, and the clavicle is made of zinc alloy. It has beautiful appearance, simple installation and easy use. Function: The push-button mortise lock can hold your cabinet or wardrobe door securely closed, preventing indoor furniture cabinet doors from opening when yachts, boats, and RVs move and shake. Application: These push button cabinet locks are suitable for all kinds of RV/RV caravan cabinet doors, furniture drawers, cabinet doors, cupboard furniture. Advantages: Comes with screws and spare lock caps, easy to install. The lock itself has both a locking function and a handle function. Please note: To successfully install the RV drawer lock, please ensure the following two points: 1. The position of the assembled L pad should match the position of the lock; 2. Suitable for 14-16 mm/0.55-0.62 inch thickness Door/Drawer, opening diameter: 20mm/0.78in