1、Compact size and typical square shape enhances its appearance. A simple turn is all it takes. 2、Adjustable bolts are available for any new and old door (60mm / 2.3in or 70mm / 2.7in) tailgate. 3、This lock can be used to open the right/left door and reverse door. The use of the right or left hand is reversible. 4、Can work smoothly, efficiently, and securely, to ensure long-lasting performance and enhance the functionality and security of your home easily. 5、The entrance function is ideal for entry doors that are locked from the outside by a key and locked from the inside by hand rotation. 6、Very quick and easy to install the lever door handles, no worry about the emergency. 7、Very simple to use than a knob, especially for children, older seniors, or anyone with arthritis. A lever features a horizontal surface and requires nothing more than a downward press to operate. Item Type: Door lock Condition: 100% brand new Material: Zinc alloy Color: As pictures shown Applicable Door Thickness: Approx. 35-45mm/1.3-1.7in Size of Lock Body Center Distance: Approx.60mm / 2.3 inches, 70mm / 2.7 inches (adjustable) 1 x Square Handle Lock 3 x Keys 1 x Lock Tongue(Adjustable Center Distance) 1 x Lock Box 1 x Lock Catch 4 x Screw 1 x Instruction Manual