Package Contains: 5pcs Presser Foot (S518NS P36LN P36N P363 P35),25PCS Metal Bobbins and bobbins case.
Metal Bobbin #40264NS are Silver, Solid on one side and holes on the other.
The Bobbin Cases BC-DB1: made of high-quality metals, with durability and corrosion resistance. suitable for all computer lockstitch sewing machines.
5Pcs Presser Feet, Left zipper foot, Right zipper foot, Standard Zipper foot, Invisible Zipper foot, Standard Presser Foot.Used in industrial machines.