All the needle sizes you need to create a variety of knitting masterpieces all in one set! This combo set made up of interchangeable circular knitting needles combines the assorted needles and cords included in this set to create 60 combinations of circular knitting needles. All pieces are stored in an exclusive luxury case. Details:60 combinations of circular knitting needlesSmooth and lightweightContains:12 tip sizes: US No. 3, 4, 5, 6, 7, 8, 9, 10, 10.5, 11, 13, 155 cord lengths: 16", 24", 29", 36", 48"Customized case for easy selection and storage