Swivel armchairs with upholstered seat and mesh back. Available version with adjustable head rest. Black nylon 5 star base, gas lift, self-braking castors or feet. Available with adjustable 2D- T ( height and depth ) arms. Available Syncron-max decentralized and synchronized mechanism, equipped with multi-stop positions and anti-shock system. Ideal for: office, visitor and meeting use. Optional: painted or chrome aluminum base, LRS lumbar adjustable support, 4D-T ( height-angle-depth and width ) arms, XB white mesh back.