We can produce different roth bands according to your requirements. with single tubewith upper double tubes, lower single tubewith upper triple tubes, lower double tubeswith upper triple tubes, lower double tubes and lingual cleat welded Technology Parameter Orthodontic Band Chinese SystemUpper Dia.Lower Dia. International SystemUpper Dia.Lower Dia.11#9.459.75 31#9.619.8912#9.69.9 31#+9.7110.0113 ...