HiyaHiya, 16" Steel Circular Needle: US 9 (5.5mm)
With flexible cables and smooth joins, this lightweight stainless steel circular needle allows stitches to slip easily off, and is a great addition to any knitter's toolbox. This 16" length is widely used for child and adult hats, baby cardigans, sweater collars and other projects with a medium circumference.
Picture shown represents this style of needle, but not necessarily this size