: You can secure this door to any wood or iron door frame in just minutes—no special tool required Great for various setting, this security door chain latches is widely used in homes, hotel, guesthouses, dormitories, and storage room Designs with family in mind, this door latches can be installed out of children reach, effectively kids from opening the door unsupervised This swing Rod door double protections for home or apartment, allowing you to firmly open the door a few inches for identification or ventilation Make from Zincs Alloy, Strong, rustproof, enduring and wear resistant, Manufacturer: LiRRvb