TNK A500 is an executive task or meeting chair featuring superb ergonomics and a sophisticated aluminum back rest available in white or black epoxy or in polished finishes. TNK A500 comes fully upholstered in standard factory fabrics, vinyl and leather or with an upholstered seat and mesh back available in 12 colours. The five-star die-cast aluminum base in white, black or silver epoxy, or polished finishes. TNK A500 features a syncro mechanism; double knee-tilt system which controls speed of back rest movement and allows locking in any position; gas lift; seat slide; optional adjustable lumbar support; height adjustable and pivoting armrests; seat flexors to distribute the users‘ weight and reduces tensions on compression points.