0.25mm,0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm, 0.55mm, 0.6mm, 0.65mm, 0.76mm ... Lead BGA Soldering Ball Type0.25mm,0.3mm, 0 ... .35mm, 0.4mm, 0.45mm, 0.5mm, 0.55mm, 0.6mm, 0 ... lower than 300um also available 0.25mm,0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm, 0.55mm, 0.6mm, 0 ...