NICKEL - looks almost like STAINLESS STEEL · Nickel in its pure form is not often used, it serves mainly as a coating metal for corrosion protection ("nickel plating") and as a component of the alloy chrome-nickel steel (CNS), generally better known as stainless steel, or INOX.
Due to its neutral appearance, usually in combination with brushed surfaces, nickel or stainless steel is very popular in architecture, it is durable and timeless and therefore always a good investment.