Detailed Product Description each Bottle (250,000pcs) Solder Ball (250K) 8 0.3, 0.35, 0.4, 0.45, ... .55, 0.6, 0.76mm BGA solder leaded balls the ball size have : 0.25 ,0.3 ,0.35, 0.4 ... ,000pcs)BGA solder lead free balls (ROHS ,SGS Certified)the ball size have : 0.25 ,0.3 ,0.35, 0.4 ...