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. NEVER SAG LEVER: Our exclusive design utilizes dual compression springs to keep the lever straight and wobble-free over the lifetime of the handle without the risk of sagging. Do it yourself, installs in minutes with just a screwdriver. Reversible handle for left- or right-handed doors, 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. Security, Durability and Finish are Grade 1 BHMA certified, designed for the highest level of security and the toughest environments with frequent use