The swivel chair has very good, ergonomic seating comfort and can reliably and safely dissipate personal charges to the conductive floor covering or floor mat.- 5-star base made of chrome-plated aluminum - safety gas spring - synchronous adjustment of the seat and backrest - hard-wearing and conductive PU integral foam for the seat and backrest - PU integral foam is easy to clean - marked with ESD symbol - load-dependent braked, soft castors - design:castors - seat height:380-510mm