Andersen multipoint door locks and hardware. Andersen offers an active 3-point hook bolt door lock and a 2-point flush bolt locking mechanism for inactive doors which were used on Andersen hinged doors from March 2003 to Present. Andersen also offers a 5-point stainless steel hook and shootbolt door lock which is impact resistant. The 5-point active door lock mechanism is used on double active Stormwatch (AP/PA) units.