... , floor tiles and stairs.5.Finishes of surface: polished,honed.6.Avaliable sizes: 305x305x10mm,305x610x10mm,400x400x12mm,300x600x18mm,600x600x18mm,Step 100-160x33x2 ... slab 60x180x1.8cm, 70x180x2.8cm or customized stairs sizes. M012 Nero Marquina