Crafted from carbon steel, these tamper proof screws resistant and build to last, ensuring long terms durability and reliability for all your door security needs With simple installation, just replace 1 existing Hinges screw with our security screw to instantly boosts your door ' s defense; ensures compatibility by checking your door Hinges size before purchase Enhances your home security with our Door Hinges Security Pin, designs to unauthorized entry by deeply embedding into opposing Hinges leaves and door frame, offering strong Protections against intruders Ideal for homeowners, property managers, and professional installers, these security screws provide easy and effective way to upgrades this of residential and commercial properties Perfect for use on entry door, interior door, offices, computer room, and archives, these versatile screws enhances the security of any space, making a must get accessory for door hinges, Manufacturer: Oxxggkao