Constructed of vinyl housing and latch with steel spring Steel spring comes in a corrosion resistant, zinc plated finish and the vinyl components come black in color Designed for use with vertical sliding single hung and double hung windows Features 1-11/16 inch mounting hole centers Easy to install with only a few simple tools Right handed (as viewed from inside looking out) Spring-loaded vinyl tilt latch For use on sash panels designed to tilt in and down from the top Can be used on single or double hung windows Spring loaded latch bolt, Manufacturer: Slide-Co