Knitting needle gauge ruler is made of flexible material. Knitting needle measuring tool lets you know your gauge hook or needle Knitting needle size ruler is lightweight and convenient for needles without engraving. This multi-function needle gauge ruler is a convenient and necessary addition to the knitting concept The diameter of this needle gauge is inches, cm and mm. This needle measuring gauge can be used as sweater pin or sewing pin and can also be used as a regular ruler This needle gauge measuring tool is useful for knitting and crocheting. This knitting needle measuring ruler is what you need to adjust the size of the needle hook to fit the thread size. This knitting needle measuring tool is an essential tool for knitting and crocheting This needle size gauge is easy to use and store. This needle gauge ruler is very helpful for checking the gauge, Manufacturer: NUEAYMS