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. The SHARP tips are great for increasing, decreasing, and intricate stitch patterns. 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.