Standard Size Bobbin Holder
•Optimized bobbin weight (17g) helps keep tension on material during tying.
•Teflon-coated bobbin arms for smooth spool revolution.
•Clever Micro Slit Foam design in bobbin nose to retain constant thread tension.
•Bobbin tube made of zirconium ceramic to reduce thread breakage.
•Comes with a spare threader.
Use our bobbin threader to run thread into bobbin tube.
Roll threader grip slightly when inserting it to fit to slit.
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