in accordance with DIN 68877 - heavy-duty work chair with a load capacity of up to 180 kg - user-friendly gas spring seat height adjustment - ergonomically shaped seat and backrest with thick synthetic leather upholstery, washable, resistant to disinfectants, soft and comfortable - synchronous technology with weight adjustment from 80-180 kg - seat height and depth adjustable - height-adjustable backrest (60 mm) - blue flex band - base frame with sturdy aluminum base and load-dependent braked safety double castors for hard floors