Home-office chair. 360° swivelling with gas lift mechanism. 5 spoke die-cast aluminium base. Base with pre-assembled soft rubber castors. Seat and back upholstered with polyurethane foam 30kg/m³. 12 mm plywood seat and back support. Ø3mm PVC piping on the back. Fire retardant version Model with "scala" contract upholstery not available.