Being somewhat handicapped I should have 'tried out' the chair before having my friend bring it home. I would have been helpful if an instruction book had come with it.
After 3 tries finally received the chair. They put it together for me. When I got it home I realized that it has a lot of wiggle room front to back. It’s the whole chair seat unit fitting into the wheel base. Guess it will last a while.
Now that it is together this is a very comfortable desk chair. It only gets 4 stars because in attaching the back cushion to the frame it was very challenging to get the screws into the holes in the chair. Everything else worked great and I am happy that I bought the chair. Probably worth paying for assembly hope that they know what they are doing.