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The TOWA Bobbin Tension Gauge is designed for mid-arm and longarm machines. It measures
bobbin thread tension to help you get the ideal stitch quality.
To measure the tension of your bobbin, place your bobbin inside the bobbin case with the
thread unwinding the correct way, then insert into the TOWA gauge.
Pull your bobbin thread and guide it underneath the bottom wheel, over the top of the top
wheel and then inside the catch. As you pull the thread to the side, you will
see the top wheel move down while the numbers increase. The higher the number, the tighter
the tension. To loosen the tension, turn the screw in small
increments counter-clockwise. Think, lefty-loosy righty- tighty.
We recommend making small adjustments when tightening or loosening the tension screw.
Think of the screw as a face of a clock, when adjusting, adjust in 15 minute increments.
Please refer to Superior's Tension Reference Guide for the recommended bobbin tension for
all of Superior's threads. A tip for removing your bobbin from the TOWA
gauge is to flip the gauge upside down and pull the release tab on the bobbin case while
lifting the Towa up. This ensures that the bobbin comes out with the case.