Ideal Security’s flush mount mortise-style patio door handle replaces broken or old patio door handles. Constructed with zinc die cast metal, this sturdy non-keyed mortise handle set enhances the strength of your patio door to keep your home safe and secure. The non-key patio door handle locks from the inside with a sliding up and down latch. The black finish and low-profile flush-mount design integrates seamlessly with black sliding patio doors. The patio door handle mounts on 6-9/16-inches (6.56 inches / 16.67 cm) centre to centre. The set includes inside, outside handles, strike, mounting hardware for easy installation on your sliding patio door. Please note that your patio door mortise cutout must match our cutout dimensions found on our website. The handle set is for 1” door thickness.