Polished pressure Di-Cast alloy spider base with extra large open wheel castor's. This chair features a 154 Kilo rated gas lift with synchronized mechanism which has both seat angle and seat depth adjustments. Tension control for body weight balance with posture curved seat and waterfall front. Seat comprises cold cure moulded foam and is upholstered in a range of colourful fabrics, black, bright blue, red,bright orange green and yellow. Backrest which is made from a breathable mesh, is hinged to guarantee optimal freedom of movement, training the spinal column whilst sitting. Height and width adjustable arms. Width 49cm x Depth 47cm x Back width 46cm x Back height 58.5cm x Seat height 45-55cm. Available in black, red, blue, bright green, bright orange, and bright yellow