DURABLE: These tennis balls are built to be tough in order to expertise high quality efficiency Perform period just after timeIn good shape Your Displays and Desks- Every arm can match 13 to 30 inches flat/curved displays with Vesa sample 75x75 and 100x100; Each arm retains 4.4lbs to 19.8lbs. About the desk, we propose wooden desktops and also the