The chair tilt feature does not work. After adjusting both ways (stiff and lose) the darn chair will not tilt. Since I can not go back to store (due to limited flexibility) and I do not use the tilt feature I will live with the problem. Otherwise the chair is not too bad.
I have purchased two supposedly heavy duty chairs from Overstock.com. Both chairs broke and the last chair within 3 months. I very pleased with my product from Staples. Well done and sound.