The Bush Business Furniture London Mid Back Leather Box Chair blurs the line between fashion and function to offer a refreshingly modern approach to office seating. Perfect for workspaces with contemporary style, this desk chair features a curved backrest that wraps around the body and tapers at the sides to support the elbows and forearms. The tilt mechanism can be set to a custom rate and ease of recline by turning the tension knob located underneath the seat. A convenient lever instantly adjusts the seat height to meet individual preference and is also used to lock the tilt function in an upright position. The heavy duty chrome steel base supports the chair for a weight capacity of 275 pounds and offers a stylish complement to the bonded leather upholstery. This swivel chair is tested to meet ANSI/BIFMA quality standards for safety and performance and is backed by a 5 Year Warranty.