If you have to choose one tool for knitting, except yarn and needles, I would say choose this one. It has all the necessary measures. For gauge, knitting needles from 2mm up to 12mm and also a row for crochet hooks. The measurement tool is made out of bamboo. #KNITSbycindyekman Introducing the ultimate measuring tool for all your knitting needs - the KNITS measure Tool! This handy device is specifically designed to help you measure your knitting, ensuring that every row is the correct length. Whether you're a beginner or an experienced knitter, our measuring tool is the perfect tool in your knitting bag. Lightweight and portable, you can take it with you wherever you go.