- 5-star base made of polished aluminum with five conductive glides - chrome-plated foot ring as a climbing aid, infinitely height-adjustable - safety gas spring - adjustable backrest height - adjustable seat height, depth and tilt - mechanism with synchronous technology ensures active-dynamic sitting - seat and dynamic backrest individually adjustable - high-quality molded foam upholstery for perfect seating comfort - hard-wearing and conductive upholstery cover in black - conductive plastic shell of the backrest - color: Supertec, gray