Interchangeable Circular Knitting Needles Set interchangeable Knitting Needle Set List 13 pairs interchangeableknitting needle tips (3mm-10mm) 4 purple cables4 black end caps 2 cable connector 2 metal tightening keys， 1 non-slip spacer Knitting Needles Set Interchangeable Knitting Needles Material: Aluminum Total Length: 15/22.5/30.5/38.5inches Size: 3mm, 3.25mm, 3.5mm, 3.75mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm,10mm Color: Red,Blue,Rose Gold. Form Factor: Interchangeable,Circular, Cable. Everything you need to create a variety of knitting masterpieces, with sizes suitable for any project! Crochet for extended periods without discomfo