... , 0.4, 0.45, 0.5, 0.55, 0.6, 0.76mm BGA solder leaded balls the ball size have : 0.25 ,0.3 ,0.35, 0.4 ,0.45 ,0.5 ,0.55 , 0.6, 0 ... .76 mm........ (good quality )spec. = brand new , Sn63/Pb37,US$50.0 EACH Bottle (250,000pcs)BGA solder lead free ... balls (ROHS ,SGS Certified)the ball size have : 0.25 ,0.3 ,0.35, 0.4 ,0.45 ,0.5 ,0.55 , 0.6, 0.76 mm ...