Features: Enhances your home security with our Door Hinges Security Pin , designs to prevent unauthorized entry by deeply embedding into opposing Hinges leaves and door frame , offering strong Protections against intruders. Crafted from high quality carbon steel, these tamper proof screws corrosion resistant and build to last, ensuring long terms durability and reliability for all your door security needs. Ideal for homeowners, property managers, and professional installers, these security screws provide easy and effective way to upgrades this safety 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 them a must get accessory for door hinges. With simple installation, just replace one existing Hinges screw with our security screw to instantly boosts your door's defense; ensure compatibility by checking your door Hinges size before purchase. Specifications: Material: carbon steel Whole length: about 43.5mm/2inch Package Includes: 10pcs Door Security Screws note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.