Towa Bobbin Case Tension Gauge - Standard Style L

Allows you to consistently set accurate bobbin tension.

Comes in two sizes:

• TM-1 - for "L" size bobbin cases

This Gauge works on "L" size bobbins and bobbin cases. Towa Bobbin Tension Gauges are an excellent way of ensuring consistent reliable bobbin tensions. Place your bobbin and bobbin case inside the gauge and pull the thread through to get an accurate reading.