Superior Threads SuperBOBs Bottom Line Prewound "L" 118 Yd #625 Black -12 pack

12 Pack of Prewound bobbins.

Superior threads makes the best bottom line thread. 

SuperBOBs prewound bobbins are wound with a 60 wt. 2-ply polyester thread (our Bottom Line thread) and are fantastic for quilting, sewing, and embroidery. Lint free and lightweight, you'll love the convenience and quality of SuperBOBs prewound bobbins.

See bobbin compatibility chart: https://cdn.shopify.com/s/files/1/0307/4306/8808/files/bobbin_lm-style_compatability_list.pdf?v=1592925706

At home I use a Janome 625E and have never had an issue with these bobbins.