I bought these as a temporary measure, but they are unused. Includes a simple case (from another set, so it doesn't fit perfectly). Length: 20cm Thickness: Diameter 2.25mm 2.5mm 2.75mm 3.25mm 3.5mm 3.75mm 4.0mm 4.5mm 5.5mm 5.0mm 6.0mm *Markings are present, but they are blurry or reflective and difficult to see. (2.5mm has no markings) In Japanese sizing, 2.25mm is approximately between size 0 and 1, and 6.0mm is approximately size 13. #KnittingNeedles #SetOf5Needles #ForCircularKnitting #StainlessSteel