The Teknik Office Ergo Comfort Black Fabric chair is our versatile multi-adjustable black fabric executive operator chair, perfect for all environments and users! It has 4 multi-adjustments - a limited forward seat tilt, seat slide, back tilt and gas lift seat height adjustment for excellent user support as well as the added bonus of a pump up lumbar support for extra comfort. Certified for 24 hour use (BS5459-2: 2000) and with 150 kg rated gas lift, it's an ideal and affordable solution for all types of work and home environments. This chair comes with a steel base and is available in Blue or Black Fabric. It also accepts height adjustable comfort armrests (sold separately)