Humanscale 6FB Standard Black for Height-Adj Surfaces with Float Board for

Intuitive height adjustment that requires no locks, levers or controls. Dial-a-tilt positioning that allows you to type at the angle most comfortable for you. Ultra-thin profile to provide maximum knee clearance. Superior design to provide maximum strength and stability yet extremely lightweight. Raised tilt mechanism to protect the keyboard from collisions with the edge of the desk.