This is a very convenient row counter ring for knitting with circular needles! ☺︎ It has number beads from 1 to 0, so when you reach the beginning of a row, you can use it by passing your knitting needle through the ring next to the number. It's a very convenient item that makes it easy to keep track of the number of rows you've knitted by attaching a motif marker to the tens digit and hooking the ones digit onto your knitting needle. It's lightweight and won't be a burden. The number 9 is a different color, so you can easily distinguish it from 6 without confusion, allowing you to knit smoothly and clearly. Attach a cat marker to the tens digit and hook the ones digit onto your knitting needle to easily keep track of the number of rows you're knitting. This set comes with 5 markers. The last photo shows an example of how to use it. It can be used with needles from thin ones up to about size 12 (Japanese sizing).