Thumbnail Filmstrip of Bobbins - Style M - Size 138 - Orange - Sideless - 16 Oz Bag - About 150 Bobbins Per Bag Images
Style M prewound sidless sewing machine bobbins size 138 / Tex 135 color Orange. They are made from Nylon and come in a 16 ounce bag (about 150 bobbins per bag).