Super Bobs Poly #623 Silver (L-Style) 12 pack pre-wound bobbins. 60 weight, 2 ply polyester pre-wound bobbins. You'll love the quality and convenience of Super Bobs Poly pre-wound bobbins!

Each bobbin contains 134 yds., and most colors are available in 12-pack tubes or 72-pack boxes.

Color: Silver