Prime Line 2 Inch Hole Center White Plastic Spring Loaded Tilt Latch (Pair) F 2598This is a tilt latch, spring loaded, used for both single and double hung vinyl windows. Made of injected molded plastic, white, with fasteners, for use on sash panels designed to tilt in and down from the top for cleaning. These are 3 in. in length, 1 1 16 in. wide, 2 in. hole centers, with a 5 16 in. backset. Each package has one left hand latch, and one right hand latch.