The M9 is a multipurpose workplace chair that fully complies with the NEN EN 1335 standard and is available with and without arm rests. The sitting height, backrest height, depth of the seat and the width and/or height of the armrests are all easily adjustable functions. The armrests are 3D adjustable. The chair is also fitted with an optional sit-incliner mechanism using a weight-based counter-pressure system. The look of this work chair is an elegant combination of base, frame finishes and a range of different materials.