Jauge de tension de canette

TM502 insert for Towa DTMA1 digital bobbin tension gauge for BCDBM large bobbin case with large bobbins. Brother B797, Seiko STH-8BL.

TM501 insert for Towa DTMA1 digital bobbin tension gauge. For BCDB1 bobbin case with regular small bobbins. Brother flat bed machines like B755, B737, BS7200A,BS7200B,BS7220B.

DTMA1 Towa digital bobbin case tension gauge for industrial type BC-DB1, BC-DBZ Towa bobbin cases. Brother flat bed machines like B755, B737, BS7200A,BS7200B,BS7220B.