Cutex Brand 20 Metal Bobbins #40264 for Singer 95, 96 Class Sewing Machines 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