Designed for use in the electronics and electrical industries. Meets European standard:- European Standard EN 61340-5-1:2001 Protection of electronic devices from electrostatic phenomena. Designed for operators weighing up to 25 stone / 160kg. European Standard EN 16139:2013 - Test Level 2 - Furniture strength and durability. Fully ergonomic chair mechanism allowing the following adjustment:- gas lift seat height adjustment, seat tilt, back rest height and back rest rack angle. Cushioned hard