High-Quality Zinc Alloy: The pocket door hardware is made of high-quality zinc alloy material, which is waterproof, rust-proof and -proof. Pocket Door Lock with Indicator: Built-in double hook door lock design, sliding door lock can be used for sliding doors, double door ball lock hole. In addition, the new pocket door lock adds a red/green indicator function, the red/green indicator light allows you to visually show whether the door is locked or unlocked. Product Specifications: 2-1/16Inch diameter hole and 2-3/8Inch backing plate, fits standard door thicknesses from 1 3/8Inch to 2 1/8Inch. Privacy feature allows you to lock the door from the inside. Wide range of uses: Concealed door lock, suitable for wooden doors and metal doors. It can also be used in various places such as kitchens, bedrooms, warehouses, and bathrooms. Easy to Install: Pocket Privacy Latches are quick and easy to install. Colour:Silver Material:zinc alloy Package Contents: 1 * door lock Only the above package