Pack of 20 Metal Bobbins for Singer 95, 96 Class Industrial Sewing Machines. Bobbin # : 40264 Bobbin measurement : Diameter 21.2mm X Height 9.2mm These high quality bobbins will fit following Singer Models : 95, 96, 191, 241, 251, 281, 591 Also fit following machines : Consew : 210, 220, 230, 231, 2230 Juki : DDL-227, DDL-555, DDL-5530, DDL-5550, DDL-8500, DDL-8700