The Horizontal Spool Holder allows you to use smaller, parallel wound spools without any problems.
The Decorative Thread Spool Pin from BERNINA - BERNINA
Bernina Q16 Sit Down Longarm Quilting Machine
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Serger Horizontal Spool Pins
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Multiple Spool Holder on my BERNINA 770QE » BERNINA Blog
BERNINA Q24 - Sterling Sewing
Bernina 700 E Rocky Mountain Sewing and Vacuum
Mfr SKU: 102473.50.00 - Fits Bernina 550 QE
Bernina Horizontal Spool Holder