The needle and crochet view sizer from KnitPro allows you to measure the size of any knitting needle or crochet hook. You might have a collection of old tools that the size has worn off or fallen off. Now you can find out what size they are! Plus it comes in the cutest elephant design.
It works for both length and gauge. Plus it has a bonus yarn cutter on it as well. It comes in two pretty colour choices.