Unparalleled security and timeless elegance The heavy-duty round construction of Brotima lock, forged from premium stainless steel,exudes an aura of durability and resilience, features a mechanism capable of enduring over cyclesrotations(compared with other with just 18,0,000), instilling confidence in every turn of the key. Privacy Function The exterior is locked/unlocked with the key and the interior is locked/unlocked with the thumb button. Reversible Designed to be suitable for both left-handed and right-handed doors, eliminating the need to worry about specific door configurations within your home. The flexibility of these locks ensures that they seamlessly adapt to the layout of your living space. Previous page Next page 1 For Bathroom 2 For Bedroom 3 4 For Office Solid Colum Security Bolt This type of bolt is known for its abilility of anti-sawing and its ability to withstand tampering. Solid Locking Mechanism Meet ANSI Grade 3 Security standards, is designed to provide high resistance against picking, drilling. Satin Nickel The door knob is finished in Satin Nickel. Fashion colors decorate your home. Adjustable Latch With 2-3/8 to 2-3/4 (60mm to 70mm) backset, fits well for most opening sizes. What's in the Box? A. Exterior Door Knob B. Interior Door Knob C. Adjustable Latches D. Strike Box E. 3*Same Keys F. Strike Plates G. Screwdrivers H. Screw Bag Fit Door Thickness: 1-3/8" to 1-3/4" Rosette Size: 2.56" Diameter of Door Knob: 2.19''(55.7mm)