Clover's delightful Hat Needle Gauge is in the shape of a beanie, complete with a pompom on top! It allows you to test for the correct size knitting needle from size 0-19 (2mm-15mm) in both U.S. and metric sizing. There’s also a handy 3” ruler at the base of the beanie for checking your swatch count. The unique shape and compact size of this gauge makes it easy to store and find in your knitting accessories bag. Made of flexible plastic. (Art. No. 3147)