Em 204 executive armchair with medium backrest unibody frame with fire-retardant cold-moulded polyurethane foam padding covered with real leather. With aluminium core,made of side and cross elements joined together to support elastic straps.. Die-cast aluminium armrests with arm pads in the same colour as the seat. Theand the unibody frame can rest on a polished aluminium fork support tilting system ( with polished cover ) with 4-position adjustment,with side-mounted control to adjust backrest tension according to user weight and backrest lock /unlock system tilting system with backrest tension adjustment according to user weight and lock/unlock release system. Seat height adjustment by gas lift.