DimensionsStair width From 600 to 1000 mm Risers From 160 to 245 mm Steps From 220 to 320 mm Shapes availables A-B-C-D CharacteristicsStringer: Double straight steel stringer laterally fitted to the treads Treads: In wood Closed risers: Optional Stair railing: Characterised by handrail and posts in tubular steel, and intermediate steel rods artistically welded in vertical and oblique direction MATERIALI E FINITURE