100% Cotton . Fil-Tec'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.
Recommended Needle Size: 65/9, 4.0 Longarm
Made of: Cotton
Recommended Use: Bobbin thread
Thread Weight: 50wt, 2 ply
Length: 132yd
