Intended for sewing micro fibers, tightly woven thin polyester, silk, foils, etc.
Prevents puckering and runs in very tightly woven materials.
Very densely woven materials (like microfibers and silk)
- Thin smooth materials, (taffeta)
- Thin coated materials
- Normal seams in shirt stitching (shirt collars, cuffs)
- Elastic materials like spandex, silicone, polyurethane, anidex fiber materials
