The Towa Bobbin Case Tension Gauge makes setting accurate tensions for your mid arm, long arm or embroidery machine a snap. In seconds you will know if your tension is right. Ready and easy to use with the included instructions. 

TM-1 for L class bobbin, measures from 10mN to 400mN

Perfect for free motion quilting on your JUKI TL 2000, TL2010, or TL2200MINI and for setting your Tajima embroidery machine.

(NOT FOR THE TL-2200QVP Long Arm, see model  TM-3)