The ESD Sintec is equipped with seat and back shells made of volumetrically conductive plastic. Conductive quick-change upholstery makes it a customizable ESD work chair. A stable, flat-bottomed five-star base made of profiled steel tubing ensures solid stability and reliable dissipation of any voltages that occur. All ESD Sintec frames are black. - Conductive per EN 61340-5-1 - Permanent contact backrest - Ergonomic seat - With additional step-up aid - Permanent contact backrest (for 837080) - Permanent contact backrest with seat tilt (for 837090) - Synchronous mechanism with weight adjustment (for 837100) - Interchangeable cushion elements - Backrest height adjustment - Steel base - Version: Permanent contact - 1 Sintec 3 work chair without cushion