... ") upwards.MaterialsSpring steel, stainless steel, silicon-chrome, high carbon, beryllium-copper, inconnel, galvanised wire, mild steel, phosphor bronze, brass.TypesThere are ... . FinishesZinc/colour passivates, black zinc nickel, electroless nickel, black oxidise, copper plating & flashing, tin, chrome acid passivate, colour dyeing, silver.QuantitiesWe can ...