Modern Syncro spinal disc swivel chair in a trendy mesh look. Infinitely variable seat height adjustment with Toplift (LGA tested). Design backrest with breathable mesh cover, adjustable in height and inclination via grid mechanism. Comfortable intervertebral disc seat for optimal support in the pelvic area. Point synchronous mechanism, spring force individually adjustable to the body weight, continuously lockable. Black polyamide base, equipped with load-dependent braked safety double castors for carpets. This model bears the GS mark of the LGA Nuremberg and fulfills all safety-relevant requirements in this context.