WIDE RANGE OF APPLICATIONS: bolt locks are compatible with doors and windows, security doors, aluminum alloy doors, PVC doors, and wooden doors. they can be used for locking and fixing, security reinforcement, and sealing SUITABLE FOR MULTIPLE SCENARIOS: suitable for home entrance doors, rental property doors, shop doors, warehouse doors, and both commercial and residential projects STABLE AND SECURE LOCKING: bolt locks have tight locking points and a reliable bolt, ensuring a tight seal when closing. they are windproof, impact-resistant, and do not easily wobble EASY INSTALLATION AND COMPATIBILITY: bolt locks use standard hole sizes, requiring no complicated modifications. even beginners can install them themselves. they are compatible with most door frame structures PRECISION ONE-PIECE MOLDING: the overall structure of the bolt lock is neat and sturdy. it opens and closes smoothly without jamming and is not easily deformed or damaged by frequent daily use, Manufacturer: GHHZML