SINTEC industrial swivel chair, synchronous mechanism, five-foot tubular steel base with castors. Supplied = flat pack. Frame design = with castors. Seat mechanism = synchronous mechanism with weight adjustment. Seat material = plastic. Seat colour = grey. Type of height adjustment = gas spring. Frame material = tubular steel, epoxy resin coated. Height adjustment range = 430 - 580 mm. Back rest height = 420 mm. Seat width = 480 mm. Seat depth = 430 mm. Type of arm rests = without arm rests. Max. load = 120 kg. Frame colour = basalt grey RAL 7012. Product type = industrial swivel chairs. Back rest narrow at the top for optimum freedom of movement. Wide, optimally shaped lumbar support. Recess for lower pelvis. Anti-slip ridge. Rounded-off front seat edge. Centre column cover protects the gas lift cylinder from dust. Low profile steel base. Exceptional ergonomics for healthy sitting. Anatomically contoured seat - encourages the user to adopt the correct sitting posture automatically. Pelvis and spinal column remain in the natural S shape. Durable and sustainable due to replaceable seat and back rest upholstery available as an accessory. Seat and back rest made of sturdy, resistant polypropylene. Seat width x depth 480 x 430 mm. Back rest height 420 mm. Powder coated steel five-star base. The synchronous mechanism with integrated weight regulation provides for synchronous movement between the seat and the back rest and thus constantly adjusts itself to the movements of each individual user. The frequent change relaxes the muscles and spine, thus improving circulation. Ergonomics: permanent contact or synchronous mechanism with weight regulation. Seat and back rest with adjustable inclination and ergonomic features. Your advantage: optimum ergonomics and maximum flexibility: Exchangeable seat covers make these chairs true quick change artists. Winner of the Baden-Wrttemberg innovation award. Ergonomics Synchronous mechanism with weight regulation. Seat and back rest with adjustable inclination and ergonomic features. Supplied flat pack - easy self-assembly.