Round-based glass and stainless steel spiral stair.
Structure totally made of stainless steel: no chrome details.
10+10+10 mm. layered tempered glass tread , transparent  extra light finish.
AIR6C INOX banister: 5 satin-finish stainless steel rails, satin-finish stainless steel handrail,spindles with satin-finish stainless steel double plate