This ratchets is suitable for use on various glass door, including display cabinets, showcases, sliding glass door Installation is quick and easily, as they can be easily and without drilling on edges of glass door They provide protections for your showcases, trophies case and case and both durability and Make of a Stainless steel materials, rusts resistant and enduring, with a strong structure The are same locking, meaning you can use the same to and unlocks multiple display case, Manufacturer: QFMHZP