... size0.025mm (.005") upwards.MaterialsSpring steel, stainless steel, silicon-chrome, high carbon, beryllium-copper, inconnel, galvanised wire, mild steel ... electroless nickel, black oxidise, copper plating & flashing, tin, chrome acid passivate, colour dyeing, silver.QuantitiesWe can produce large quantities ... OrderingDrawings, samples or dimensions are essential. small wire adjustable torsion springs