They are so worth every penny. I love mine. I actually cut a hole in the middle of my desk, so I can recline in my office chair, and swivel my monitor out ove

They are so worth every penny. I love mine. I actually cut a hole in the middle of my desk, so I can recline in my office chair, and swivel my monitor out over the edge of the desk and face it down at me. It really helps with neck and back strain.