Recommended by police and insurance companies. VdS and DIN certified: Secure doors and windows with this hinge side lock. Your apartment and front door, as well as windows and patio doors, are popular entry points for criminals. Therefore, police and insurance companies recommend retrofitting with a hinge side lock that has VdS and DIN certification. This lock meets expert criteria. With a pressure resistance of one ton, it reliably protects against prying. Specially pivot-mounted bolts automatically engage and only rotate when the door is opened. The lock can also be used with windows and patio doors that have a turn function without a tilt option. A drilling template makes installation easier.