Jersey & Stretch needles have medium ball points. The eye & scarf differ. Fabric Use: Use the Stretch needle when fabrics contain spandex or elastic. Use Jersey on knits & some stretch fabrics. Jersey & Stretch needles are sometimes interchangeable. Test needle, thread, and fabric combo for stitch quality. Each pack contains one needle of each Jersey 70/10, 80/12, 90/14; Stretch 75/11, 90/14