NON-LOCKING PASSAGE: Use on doors requiring no locking method, latch allows door to be opened or closed, recommended for closets and other doors where security is not needed. Do it yourself, installs in minutes with just a screwdriver, all the hardware you need is included for a hassle-free installation, detailed directions provided. Fits standard size doors 1-3/8" to 1-3/4" thick, adjustable latch backset from 2-3/8" to 2-3/4" with just a twist during installation. Exterior and Interior Knobs, Screws, Adjustable Latch, Strike Plate, Installation Hardware, Install Guide