Screw, Bobbin Case Tension Spring Screw
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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.
Bobbin Case, Spring and other parts can be purchased separately.
Screw, Bobbin Case Tension Spring Screw
Sale price$ 6.95
Regular price
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Screw, Bobbin Case Tension Spring Screw
Sale price$ 6.95
Regular price