doors or internal locks on private rooms such as bedrooms, store cupboards, and bathrooms. Our lock increases substantially your home's security and gives you extra peace of mind. Suggested Use Framed glass door / Sliding doors / Aluminum doors Metal door / Wooden door. Easy to installSafe and stable, the lock body is made of metal material, hard and durable,easy to install. If you have any questions, please feel free to contact us, we will help you at any time and contact you within 24 hours.