Iron open stair with open riser.
Double load-bearing structure outside steps made of steel.
Structure painted with micaceous iron glaze, 609.0400 finish, light grey.
Steps with steel frame.
Layered glass tread , transparent extra light finish.
Tread fixed with no visible screws.
AIR6C banister: 5 satin-finish stainless steel rails, steel handrail, spindles with steel double plate.