Fil-Tech Magna-Glide Poly Classics Style M Jumbo 230yd Prewound Bobbins 100ct White .
No. 60 Filament Polyester . Fil-Tec Bobbin central's patented magnetic core creates consistent delivery through the entire bobbin.
No more interruptions for tension adjustments as your bobbin gets smaller.
Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs.
Magna-Glide is the original high-yield magnetic-core bobbins.
100 bobbins in box.
CHK-12445-M
