This metric knitting needle gauge calibers for 19 sizes with inch, cm, mm. The needles measuring gauge is made of durable plastic. The knitting needle gauge ruler is tool for artists, designers, architects, engineers, students and so on; suitable for classroom, school, office, home, etc. The needles gauge tool is light, convenient, and so useful for non-imprinted needles! The knitting needle sizer is made of material soft, prone to breaking. The needle gauge measurement tool is a great help in checking guage. The knit needles gauge can tell you what gauge hook or needle you have. This knitting needle sizing gauge is easy to use and store. The knit needles measure is made of durable flexible plastic material. This knit needle measure has nice compact size. This needle gauge tool is useful for knitters or crocheters. This knitting needles sizing gauge is handy and necessary addition to your knitting notions. This needle guage is essential tool for knitting or crocheting. This knitting needle guage is what you need to calibrates needle hook size to yarn size is printed on it. This knitting needles gauge tool can be used as a sweater pin or a loop pin, and it can also be used as an ordinary ruler.