M9 Synchronised Heavy Duty Executive Chair The M9 Synchronised Heavy Duty Executive Chair has been developed and precision engineered for moderate to high usage. A tough working chair with style, the M9 Executive Chair is available as: A high-back chair with headrest A mid-back chair, and A four-leg side chair. Components are supplied in black or chrome, and the chair can be upholstered in your choice of leather or fabric colour. The arms are multi-adjustable. The synchronised mechanism allows you to recline the backrest smoothly, moving the seat only slightly in the process. The backrest recline tension control is conveniently located within easy reach on the side of the seat. M9 Synchronised Heavy Duty Executive Office Chair with Headrest Please read on, or click here to buy this chair now. M9 Synchronised Heavy Duty Executive Chair: Features STYLE   •   Heavy duty executive office chair, optionally with headrest.   •   With synchronised mechanism for comfortable backrest recline. UPHOLSTERY & COLOUR   •   Upholstered in your choice of Camira or Bradbury fabric.   •   Can optionally also be upholstered in your choice of Dollaro leather colour. ARMS & BASE   •   Multi-adjustable armrests with soft comfortable PU armpads.   •   Choose between a black and chrome frame & 5-Star Base.   •   Choose between nylon castors (for carpets) and soft PU castors (for wood floors). CAPACITY This chair is suitable for upto 8 hours' use per day. The suggested maximum user weight for the chair is 120kg (19 stone). Please see our Big and Tall Office Chairs for seating suitable for heavier persons. DELIVERY This chair is custom-made and delivered to you within 2-3 weeks of your order. Some self-assembly may be required, with clear instructions provided. M9 Synchronised Heavy Duty Executive Chair - Ergonomic Benefits: TENSION ADJUSTMENT Increase or decrease to match your body weight. Allows you to rock comfortably, without heavy pushing, thereby reducing muscle fatigue. CHAIR TILT/LOCK Lock the tilt movement in positions to accommodate your working posture. Allows you to lock the chair in an infinite number of comfortable and supportive positions. SEAT HEIGHT ADJUSTMENT Raise or lower to allow your feet to rest flat on the floor. Avoids pressure from under your thighs, easing blood flow. SEAT DEPTH ADJUSTMENT Change the depth of the seat to accommodate the length of your thighs. Keeps your back in contact with the backrest while avoiding pressure to the back of your knees. BACK ANGLE ADJUSTMENT Adjust to change the angle of your torso in relation to your thighs. Helps reduce disc pressure and relaxes your back muscles. ARM HEIGHT ADJUSTMENT Raise or lower to support your forearms. Reduces muscular effort in neck and shoulders, minimising risk of pain. CHAIR SIZE With Headrest Without Headrest Guest Chair Back Height = 66cm 51cm 47cm Back Width = 56cm 56cm 56cm Seat Width = 56cm 56cm 56cm Seat Depth = 56cm 56cm 59cm Seat Height = 45 - 55cm 45 - 55cm 49cm M9 (Side View) M9 (Back View) M9 (Black Base) M9 (Guest Chair) MANUFACTURER'S GENERAL INFORMATION: Click here to see General Information about buying GGI Office Seating from Chellgrove Office Chair UK. Including obtaining Samples or Showroom Visits, Manufacturer's Warranty, and Upholstering with your own choice of material. QUALITY CONTROL: This office chair is certified to BS EN 1335 for up to 8 hours use per day by persons weighing upto 120kg (19 stone). Please see our Big and Tall Office Chairs for seating suitable for heavier use. 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 Free Delivery (2 - 3 weeks). The price shown includes UK VAT.