●[Materail] :Made of Zinc Alloy and Metal; Matte Black Finish ,complement modern contemporary style ●[Application] : Square door handle for use on interior doors such as (hallway, closet doors ,bedroom, bathroom ) has Keyless Push Button Locking ●[Adjustable Latch] : The door lever fits doors with a thickness of 1-3/8 inch to 1-3/4 inch (35mm to 45mm) and is equipped with an adjustable backset of 2-3/8 inch or 2-3/4 inch (60mm or 70mm) ●[Easy Installation ] :Do it yourself, installs in minutes with just a screwdriver. Reversible handle for left- or right-handed doors, detailed directions provided ●Please feel free to get in touch with us if there has a problem