National Hardware Black Push Button Latch with 1-3/4" Hole Spacing is expertly designed for use with wood or metal screen and storm doors. It fits wood doors with thicknesses ranging from 5/8" to 2". For doors that are 2" thick, pan machine screws measuring 8/32" x 2-3/8" are required and must be purchased separately in a quantity of two. This latch features an interior locking mechanism that provides enhanced security for your doors. The mounting screws are included and are matched to the product finish for a seamless look. Additionally, the latch includes a spring-loaded strike plate for reliable performance and ease of use. Model Number: N178-392