10 Pack Metal Sewing Machine Bobbins + 2 Bobbin Cases - Sewing Machine Accessories, Bobbin with Cover

What you get: Package includes 2 boxes of sewing machine thread spools, 10 pieces of metal sewing machine thread spools, enough sewing supplies DIMENSIONS: Each bobbin case is about 23mm in diameter and can be used in most sewing machines. Sewing machine bobbins and thread boxes: The sewing machine bobbins are made of metal material, durable, these bobbins can stop threading faster, prevent effectively prevent the bobbin from loosening or tangling while sewing, the bobbin box can be used as a spare part for sewing machines with front loading bobbin systemSimple and Practical Design: This hook and thread box adopts simple and practical design, easy to replace and use.