9500SPEC Ergo Comfort Spectrum Chair Teknik Office Ergo Comfort Spectrum Fabric high back executive operator chair, certified for 24hr use. Comfort Arm Rests optional. The Teknik Office Ergo Comfort Spectrum Fabric chair is our versatile multi-adjustable fabric executive operator chair available in a choice of 60 Xtreme fabric colours, perfect for all environments and users! It has 4 multi-adjustments - seat tilt, seat slide, back tilt and gas lift seat height adjustment for excellent user support and 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 also accepts height adjustable comfort armrests (sold separately), and has a sturdy nylon 5 star base. 15 lever asynchronous mechanism Seat slide Forward ergo tilt seat Back angle adjustment Dimensions: Seat Height (cm): 52-64cm Seat Depth (cm): 47cm Seat Width (cm): 50cm Back Height (cm): 57cm Bac