Magna-Glide Delights are produced from top quality, high-tenacity trilobal polyester "glide" thread. Bobbins will sew to the very last stitch with little or no tension variation and your bobbin case remains clean. Available in user-friendly (stackable) jars.
40 wt. Trilobal Polyester thread.
M size bobbin has 132 yards of thread.
10 bobbins per jar.