Magna-Glide Classics M Style Bobbins (100 pc) Black 60wt

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.

• Colour: Black
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 60wt, 2 ply
• Length: 222yd