Singer 12 Class 15J Bobbins. 

Set of 12 Class 15J plastic transparent bobbins in plastic storage case. 

For Singer Futura Embroidery Machines CE 100, 200, 150, 250, 350, SES 1000, 2000, SEQS 2600s, 3900s, 7400s, 8700s, and Itzek 1500. 

Made of plastic for durability. 

Plastic storage case is reusable.    

CHK-06543