Brindis high back task chair with tension adjustable synchro mech | Back and seat move to support your body as you move | Permanent contact with seat and back with a tilt lock included | Upholstered with black mesh back and B-20 black fabric seat and a 5-start nylon base | | Mesh back | Adjustable lumbar support | Synchro mechanism | 3 position lock | Synchro tension adjustment | Gas lift hight adjustment | Height adjustable arms