Trinity Black Ergonomic Multi Functional Operators Office Chair The Trinity is the epitome of functional and practical seating, boasting an ergonomic backrest with 3D curvature, incorporating lumbar and spine support. It features a full range of adjustments including back and seat height, back rake and seat slide, and adjustable arms, allowing you to customise your chair the perfect way for you. Alphason Trinity Black Ergonomic Multi Functional Operators Office Chair Height and width adjustable arms Seat slide with ratchett back adjustment Fitted with gas lift for comfort and height adjustment Multi-set, full synchro mechanism with tension control Contact us for more information We have a huge range of other Office Chairs to choose from Overall Dimensions: Height (mm) Width (mm) Depth (mm) 1100 670 600 Seat Dimensions: Height (mm) Width (mm) Depth (mm) 470-570 485 480 At Oak Furniture House we have a huge selection of home office chairs in various colours and styles (swivel chairs, adjustable gas lift seats and leather arm chairs with footstools) to suit your style. These chairs will complement any of the Desks we have in stock on our website. Don\'t forget, delivery for mainland UK is free for ALL orders, so grab a bargain now!