PRESSURELESS: These pressureless schooling tennis balls are designed for minimized bounce so gamers can exercise their shot creating capabilitiesIn good shape Your Monitors and Desks- Each arm can suit 13 to thirty inches flat/curved screens with Vesa pattern 75x75 and 100x100; Just about every arm retains 4.4lbs to 19.8lbs. About the desk, we advi