SuperBobs 463 Yellowstone Style M 4 package 60 Wt Pre-wound Superior Threads ^

SuperBOBs prewound bobbins are wound with a 60 wt. 2-ply polyester thread (our Bottom Line thread) and are fantastic for quilting on your longarm machine. Lint free and lightweight, you'll love the convenience and quality of SuperBOBs prewound bobbins. The lightweight, blending colors are easily matched with any top thread. SuperBOBs are cardboard sided.

Prewound bobbins are used extensively in Industry and by longarm quilters who require as much thread on a bobbin as possible to reduce downtime. Superior prewound bobbins are available in a range of colors and are filled with Superior's super fine Bottomline Polyester thread.

Size M bobbins are the largest of the bobbin sizes and will not fit home sewing machines. The bobbins are roughly the size of a 10p piece (24.9mm diametre x 10.7mm deep) M style bobbins fit about twice as much thead as a 'L' style bobbin and are designed for Longarm quilting machines and industrial embroidery machines.

Bobbin size 215yds