Vintage early Singer sewing machine spun bobbins, will fit machines that use class 66 bobbins which include the 66, 99, 101, 185, 192, 201, etc. You will receive four bobbins. These are the early 'spun' cast bobbins, they are in good vintage condition with typical discoloration due to age, may still contain thread - They will be in similar condition as the examples shown. Genuine, early Simanco bobbins #32522.