... ,Surface Processing:Nickel, Rhodium, Gold, Silver , Anti-brass, Anti-copper. Copper ChainNameCopper ChainMaterial Steel(Iron), Brass, Stainless steel, Colors Nickel, Rhodium ... , Gold, Silver , Anti-brass, Anti-copper, Black nickel/Gun metal, Brass color etc... Made type Machines ... /spool (small sizes) or 20mtrs/bundle (bigger size) M.O.Q 1,000mtrs/1.0~2.0mm ; 500mtrs/2.2 ...