Spring B3117771000

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Juki Thread Tension Spring | B3117-771-000Maintain perfect stitch balance and prevent thread nesting with the Juki Thread Tension Spring. This authentic replacement part (Part No. B3117-771-000) is a precision-coiled component essential for the fine-tuned tension required in industrial buttonholing. Compatible With: Juki LBH-781, 782, 783, 784 Sewing Machines Show more