ST Expo Mesh Back Drafting Chair Adjustable seat height Adjustable back height (ratchet) Adjustable seat and back angle Optional adjustable arms / drafting kit Available in high and low back Square seat, Moulded seat foam, Mesh back 3 lever ergonomic mechanism 660mm black nylon base Available in Metro black only AFRDI tested to level 6 Minor assembly required Suitable for indoor use only 7 year warranty and Weight limit is 130kg