Unique and consistently the best performing truly ergonomic solution. Chiro gives supreme support, functionality, 24/7 task usage, contoured upholstery and beautiful styling. The original and the best. FEATURES : Material : Fabric Finish : Black Posture chair approved by a UK Chiropractic Doctor Height adjustable ratchet backrest with pump up lumbar support Contoured foam seat and back for extra comfort Triple lever independent mechanism Independent seat and backrest tilt angle adjustment Seat slide Polished chrome 5 star base Tested to BS 5459-2 Most Stylish and Unique piece of furniture Matching furniture available Images shown are for illustration purpose only Available at an affordable price DIMENSIONS: Seat Width : 510mm Seat Depth : 480-540mm Seat Height : 500-600mm Back Width : 450mm Back Height : 620-670mm Arm Width : 450mm Arm Height : 680-750mm Overall Width : 700mm Overall Depth : 700mm Overall Height : 1080-1180mm