Ideal for homeowners, property managers, and professional installers, these security screws provide an easy and effective way to upgrade residential and commercial settings Ideal for entrance doors, interior doors, offices, computer rooms, and archival use, these versatile screws are a must have for any space to enhance security and door hinges Made from carbon steel, these tamper evident screws are durable, durable and ensure long-term durability and reliability for all your door security needs Enhance the security of your home with our Door Hinge Security Pins. Embedded deep into the opposite hinged leaves and door frames to prevent tampering and provide strong protection against intruders With an easy installation, simply replace one of your existing hinge screws with our security screws and augment the protection of your door instantly. Please check your door hinge size to ensure compatibility before purchasing, Manufacturer: Rxgiasup