Box of 100 Metal Bobbins For Juki Industrial Sewing Machines. These high quality bobbins are white/silver with holes on one side. The Metric measurements on these bobbins are 21mm wide and 8.5mm thick. These popular bobbins will fit following Juki single needle sewing machines : JUKI : DDL-105, DDL-115, DDL-227, DDL-555, DDL-5550, DDL-8300, DDL-8500, DDL-8700, DDL-8900, DLD-432, DLM-522, DLM -5200, DLM-5400, DLN-412, DLN-415, DLN-5410, DLU-450 and more. We stock many types of bobbins & bobbin cases for sewing machines. Even if you don't find the one you are looking for, it does not mean we don't have it in stock. Please let us know machine builders' reference numbers and/or machine make & model and we will find one for you.