Fil-Tech Magna-Glide Poly Classics Style L 135yd 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..