Prime Line Products Aluminum Patio Door Lock

The Prime Line Products Aluminum Patio Door Lock provides dependable security for sliding patio doors and windows. Designed to securely lock doors in either a closed or ventilating position, this lock offers reliable secondary security and peace of mind for your home. Constructed from durable aluminum, this lock features a double-thumbscrew design that grips firmly onto door or window extrusions. An integrated rubber insert helps prevent marring and scratching on the frame during installation and daily operation.