This patio door latch is ideal for both right- and left-handed patio doors 1-1 1/4” thick. 1/16” projection on the inside and outside of the patio door. Also includes four different latch hooks for different applications. Quality and durable construction ensures reliable everyday use on your sliding patio door. All installation hardware is included. Easily installs in 6 1/2" center to center hole spacing. High-quality finish allows it to blend in perfectly with your door and frame.