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: 2US/2.75mm, 3US/3.25mm, 4US/3.5mm, 5US/3.75mm, 6US/4mm, 7US/4.5mm, 8US/5mm 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.