High-quality Syncron swivel chair in contract quality with Sitness joint for three-dimensional sitting. It features a mesh backrest with integrated adjustable lumbar support, a height-adjustable mesh headrest, and a large trough seat with a comfortable knee roll for a pleasant sitting posture. The multifunctional armrests "D2" are height and width adjustable via a clip system and include soft pad support. The chair has a point synchronous mechanism with spring force individually adjustable to body weight and multiple lockable positions. It also includes additional seat depth and seat tilt adjustments, and a polished aluminum base equipped with load-dependent braked safety double castors for carpeted floors. This model bears the GS mark of the LGA Nuremberg and fulfills all safety-relevant requirements.