Magna-Glide Type L Magnetic Pre-Wound Poly Bobbins - Black or White 12 ct

Fil-Tec Magna-Glide Classic Prewound Bobbins L-Style 67x2 High-Tenacity Polyester Filament No. 60 (Tex 12). The patented magnetic core creates consistent delivery throughout 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 bobbin. 12 White bobbins per package/135 yards per bobbin.