Backrest: with reinforced rigid plastic structure, cold foamed polyurethane padding, black plastic back outer for 130 series; reinforced rigid structure, with depth adjustment lumbar support, covered by mesh for 140R series. Seat: beech plywood, cold foamed polyurethane padding, plastic seat outer.
Adjustments: synchronized mechanism, seat gas adjustment.
Fixed Armrests: fixed, in black nylon
Swivel Armrests:height, sliding and rotating adjustment, with in black nylon, for 140 series, as optional for 130 series.
Base: swivel five-star structure in black nylon with steel reinforcement ring, black nylon castors.
Frame: chromed steel cantilever with armrests and upholstered armpads