This set of 5 bobbins is specifically designed for use with Bernina Series 7 sewing machines. The bobbins are made of high-quality materials. Each tube contains 5 bobbins, providing you with plenty of thread for your sewing projects. These bobbins are in excellent shape and will ensure smooth sewing for all your projects.  Originally priced at $22.99.  Three tubes of bobbins are available, the selling price is per tube of five bobbins.  Let me know how many tubes you want to purchase.