Consist of corrosions resistant stainless steel with 360 degrees rotatable deadbolts, this heavy type latches ensures secure operations for both left and right handed door while resisting wear in indoor/outdoor environment Perfectly adapts to interior/exterior door, and office entries where versatile installation and left right door configurations demand flexible security hardware Its unique U shape safe latches engages deeply into door frame, for enhancing durability and tamper proof performances The compacts, universals integrates seamlessly with modern door trim while simple assembly enables quick upgrades to existing door systems without speciality tool Ideal for homeowners, property managers, and renovations professional pursues reliability access control solution for residential or commercial space, Manufacturer: QYSH-MXW