Features:EASY INSTALLATION: Install your lockset in a flash. All you need is a door and a tool set! No need for professional door fitters, you can do it yourself!DECENT DESIGN: Classic ball shape feels beautiful and comfortable. Applicable to door, gate, study, privacy, bedroom, bathroom, storeroom, kitchen, office, school. These gorgeous door knobs are MATTE BLACK finished and sure to add a touch of sophistication to your home.ADJUSTABLE LATCH WITH BACKSET: 60mm(2-3/8") or 70mm (2-3/4"); Fit all doors 35 to 45 mm ( 1-3/8" to 1-3/4")thickness. (Notice: The latch plate is not removable.)FUNCTIONAL USE: Reversible for which ever side the door opens from, can be mounted on both left and right handed doors. Easy installation with standard hole and complete accessories. High quality, durable, non-corrosive, used for a long time.DURABLE QUALITY: The solid steel & stainless steel, smooth finish, polished appearance and substantial, easy-to-grasp door knob will subtly elevate and enhance commercial areas or residences alike.