The round copper and nickel silver wash-basins are supplied in three diameters, with rounded or flat edge, for top insertion. All the waste water sinks are built with a threaded pipe, so it isn't necessary to apply a drain. The copper wash- basin O 45 is also available with overflow and automatic sink. Technical data: dimension: Ø 45cm, Ø 37cm, Ø 29cm material: Copper and nickel silver finish: Burnished or Etruscan for the copper, satined for the nickel silver options: The copper wash- basin Ø45 is also available with overflow and automatic sink. edges: rounded flat