Made of high quality stainless steel, this interchangeable set features keyless screw-on connections with flexible cases, near perfect joins, and slick (but not too slick), smooth finish. This 4" set includes the following tips: US9/5.5mm, US10/6mm, US10.5/6.5mm, 11/8mm, US13/9mm, US15/10mm and 4 cables to make needles that are 16", 24", 32" and 40". Each set also includes a practical and portable brocade case and needle grips. Assorted fabric cases. Tip length is approximately 4 inches. Additional cables and individual tips are also available.