5 x Aluminum Bobbins for Commercial, Industrial, Computerized Embroidery and Sewing Machines

* Set of 5 (5 pcs)
* Dimensions: L .75 (Outer) .25 (Inner) x W .25 in Inches
* Can wind more threads than ordinary bobbins, allowing you to sew longer without changing the bobbin multiple times
* Material: Made of high-quality aluminum, suitable for most commercial, industrial, computerized embroidery and sewing machines.
* They offer less resistance which translates to less drag to the bobbin thread tension