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Two Hand thread tensioners snap on and off the slide rails for quick and easy changes of color or thread type. They include patented pressure discs and a piano-wire thread-guide to maintain smooth and constant spool pressure and consistent, uniform wraps or any material.
Two Hand thread tensioners snap on and off the slide rails for quick and easy changes of color or thread type. They include patented pressure discs and a piano-wire thread-guide to maintain smooth and constant spool pressure and consistent, uniform wraps or any material.