【Passage Door Lever】NO lock or keys. This non-locking door lever is usually used on interior passage, hallway and closet doors 【Reversible】Both left and right handed 【Material & Door Thickness】Material: Zinc Alloy. Door Thickness: from 1-3/8''to 1-3/4''(35mm-45mm). Brass Backset: adjustable 2-3/8''and 2-3/4''(60mm/70mm) 【Durable Surface】Our Matte Black finish is sturdy that can last many years without chip off. It can also protect the surface of the door lever set, and the brass latch is not easy to rust, it's oiled that can extend the life of hardwares 【Easy to Install】The interior lever door handle is easy to install with a screwdriver. All door lock hardwares are included Passage Door Lever, No-Locking Hall/Closet Door Handle