Phosphor copper ball,copper plating anode,copper ball,phosphorous copper,phosphor copper anode,for acid copper plating Size 1 : diameter 25.4mmSize 2: diameter 45mmPacking: 50kg/carton; 50kg/drum Suitable for acid copper plating, electric circuit board, electroforming mould etc. Contact:Ms.Lily Chan Call:86,139,2865,1530