Cutex Sewing Bobbin Case For Single Needle Sewing Machine - 2Pk. F/Singer Juki Consew Brand New Set of 2 Top-Quality Bobbin Cases For Industrial Single Needle Sewing Machines. Bobbin case number : 52237 (Also sold under these numbers : 097-00-178-4, 100369-001, 2110104-301C, 52237, 505358, 540770, 544745, 761-511-009, A1837-555-000, BC-DB1, B1837-012-0A0, MF10E0125, P976018X01) These bobbin cases will fit many models of industrial single needle sewing machines including :