VK670 Knob Latch, 3/4 to 1-1/8 in Thick Door, For: Out-Swinging Wood/Metal Screen, Storm Doors

Wright Products keyed universal knob latch is ideal for most screen doors providing traditional style with functionality. Replaces both 1-3/4 in and 3 in hole spacing patterns without the need to drill new holes. The exterior keyed knob and interior night lock feature enables you to secure your screen door anytime, day or night.