Iron open stair with open riser.
Double load-bearing running structure outside steps made of steel.
Structure painted with micaceous iron glaze, 609.0413 finish, blue-grey.
Iroko solid wood tread, wengé finish.
Tread fixed to the structures with soldered steel wings and recessed teeth with no visible screws.
AIR6C INOX banister: 5 satin-finish stainless steel rails, satin-finish steel handrail, spindles with satin-finish stainless steel double plate.