Wright Products Keyed Universal Knob Latch is designed for most out-swinging wood or metal screen doors providing traditional style with functionality. Install on standard 3/4 in. to 1-1/8 in. thick doors with 1-1/2 in.,1-3/4 in and 3 in. hole spacing for optimal performance. Great for upgrades or replacing damaged, worn-out or missing knob latches.