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1/8-80 Bobbin Case Tension Spring Screw for Singer Industrial Sewing Machine Classes: 144W & 145...
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Tension Stud only for Singer Industrial Sewing Machine Classes: 48W, 47W, 51W, 52, 61W, 107, 108, 11...
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3/32-80 Length=6.0mm Tension Bracket Screw for Singer Industrial Sewing Machine Classes: 111, 1...
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1/8-80 Bobbin Case Tension Regulating Spring Screw for Singer Industrial Sewing Machine Classes: 144...
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1/16-80 Bobbin Case Tension Spring Regulator Screw for Singer Industrial Sewing Machine Classes:46W,...