Item #:
Check Spring, Pfaff - 91-006814-05
Out of stock
Check Spring, Pfaff - 91-006814-05
A check spring is a small spring in the tension unit that pulls the thread tight for a moment during each stitch, then lets it relax so the stitch forms evenly.
Compatible with Pfaff Industrial Machines:
138, 238, 418, 437, 438
