Eliminate inconsistent thread tension commonly associated with the use of springs. Get rid of wing nuts that are either 1) difficult to turn making thread changes a pain; or 2) turn too easily causing thread tension to increase/decrease without warning. The installation of opposing magnets provides the consistent force needed against the
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Best thread tensioners that I have found to date!
M
Mark · April 29, 2025
Finally and easier way to align guides . Love it !!