HiyaHiya Steel Interchangeable Needles are made from high quality stainless steel and feature swivel connections with flexible cables and lifeline holes. The joins are almost invisible and the finish is slick without being too slippery. 
4" Sets come with cables to make 16”, 24”, 32” and 40” Circular Needles.
Small Sets contain the following tips: 
2 US/2.75mm
3 US/3.25mm
4 US/3.5mm
5 US/3.75mm
6 US/4mm
7 US/4.5mm
8 US/5mm
Each set also comes with a practical and portable brocade case and needle grips.