The SyncroTek. Executive Computer Chair is a very comfortable office chair that is loaded with ergonomic features for your sitting pleasure. The chair features a super large seat and backrest with SyncroTek anti-shock auto-mechanism. Other features include seat slide, ratchet backrest height adjustment and height-adjustable arms. (The chair can be bought and used without the arms.) The SyncroTek. Executive has been independently tested to meet the British BS5459 (2000) Level S standard for severe 24 hour use, and by persons weighing upto 23.5 stone (150kg). It is therefore suitable for use in call centres and by heavier persons. The SyncroTek. Executive is a great computer chair for home and office use. It is available in Blue, Red or Charcoal (Grey) upholstery. Click here to view A LARGE IMAGE of this chair. (Opens in a new window.) CHAIR SIZE Back Height = 64cm Back Width = 51cm Seat Width = 53cm Seat Depth = 50cm Seat Height = 49 - 63cm FEATURES: THE CHELLGROVE ADVANTAGE •     Clear Pricing •     Free Next-Day Delivery •     Free Money-Back Guarantee •     Option of Soft Castors for Wood Floors •     Click here for details Super large ergonomic seat and backrest Anti-shock auto SyncroTek. mechanism for seat and backrest Seat slide function for seat depth adjustment Ratchet backrest height adjustment One touch seat height adjustment via pneumatic gas-lift Adjust the backrest recline tension to suit your body weight Swivel smoothly on the large black nylon 5-star base with easy-roll castors Height-adjustable SyncroTek. arms . (The chair can be bought & used without the arms.) Suitable for users upto 23.5 stone (150kg) Suitable for use in 24-hour environments, including call centres Fabric colours: Blue, Red and Charcoal Some simple self-assembly is required. COLOURS: Blue Red Charcoal ARMS: SYNCROTek. Adjustable       "I ordered the chair from Chellgrove on Wed at 1200hrs and it was here Thurs by 1400hrs. Excellent service." - Dereck H. in Lincolnshire, 17 October 2008. "The chair arrived on Tuesday as you said it would. Thanks. It's very good to deal with people who keep the customer informed, do what they say, and deliver on time. I put the chair together yesterday and I am well pleased with it in fact I'm sitting comfortably on it whilst I type this message." - William M. in Banffshire, 07 June 2007. GUARANTEE: Teknik one-year mechanical parts replacement warranty (excluding foam and fabric, wear and tear). The manufacturer reseves the right to modify and improve the product without notice. QUALITY CONTROL: This chair has been independently tested to meet the requirements of BS 5459 for users weighing upto 150kg (23.5 stone) and for 24 hour use in call centres. All foams used are combustion-modified fire-retardant. Flammability conforms to: BS EN 1021-1 1994 (cigarette) BS EN 1021-2 1994 (match) BS 5852 Part 1 Ignition Sources 0 & 1 BS 7176 1995 Low Hazard The Gas Lift is heavy duty, stress load tested to 154 kilos (25 stones). Free Delivery (1 - 2 working days) - Or tell us what day you want it!