Back and seat in polyurethane foam Base in polished die-cast aluminum (Ø 655 mm) with double casters (Ø 65 mm) Height adjustment with safety gas spring 5-year warranty Made in Germany With backrest pressure adjustment Back and seat in polyurethane foam Base in polished die-cast aluminum (Ø 655 mm) with double casters (Ø 65 mm) Height adjustment with safety gas spring 5-year warranty Made in Germany Performance adjustment. Static load max: 120. Seat inclination: 0 - 5Color: Black. Backrest tilt: 0 - -20Seat Height: 495 - 640Seat width: 465Seat depth: 460