Custom dual adjustment: This door button hardware replacement can be customized and adjusted. You can change the length of this door by rotating the baffle around the threads on the brass body to fit the door seam. Rotating the bottom can control the compression force of the ball to obtain appropriate strength. design: This spherical lock door hardware needs to be installed on the side of the door panel, and after the door is closed, it be . You can choose a lock catch of the same color as your door. For light colored doors such as white, it is recommended to choose silver goalposts Easy to install: Installing a only takes 5-8 minutes. There are two installation methods, and you can install the on the top or side of the door panel as High quality materials: Our inner door ball lock is made of high-quality materials, including a solid copper base, strong elastic springs, solid ball bearings, 1-1/4inch long brass valve body, and rust stainless steel striking plate. The service life of this lock is at least 5 years. Lock size: The panel size is 1 inch W x 2-1/8 inch The brass valve body size is 8/12 inch diameter x 11/10 inch deep. The size of the anti-skid plate is 1-3/8 inch W x 2-1/8 inch L. Including fastening screws.(Please measure the dimensions before drilling the brass ball.), Manufacturer: Littimoon