Screw, Bobbin Case Tension Spring
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SKU # 697216 PART # 201016
This is the bobbin case tension adjustment screw, as indicated by the arrow, and is the very small screw that you use to adjust the tension on the spring.
Be sure to watch our video tutorial for how to properly adjust your bobbin case and upper tension.
https://singer-featherweight.com/blogs/schoolhouse/how-to-adjust-tension
