Glass and iron open stair with open riser.

Double load-bearing running structure outside steps made of steel.

Structure painted with  micaceous iron glaze, 609:0401 finish medium grey.

Steps with steel frame.

Layered glass tread,  natural etched finish.

Tread fixed with no visible screws.

AIR6C banister: 5 satin-finish stainless steel rails, steel handrail, spindles with satin-finish stainless steel double plate.