Features: The knitting needle gauge ruler is made from durable and flexible plastic material. The knitting needle measuring tool can tell you what gauge hook or needle you have. This sewing needle gauge measurement tool is useful for knitters or crocheters. This knitting needle measuring ruler is what you need to calibrates needle hook size to yarn size is printed on it. This knitting needle measuring tool is essential tool for knitting or crocheting. This knitting needle guage calibers with inch, cm, mm. This stitching needle measuring gauge can be used as a sweater pin or a sewing pin, and it can also be used as an ordinary ruler. This knitting needle sizing gauge is easy to use and store. This needle gauge ruler is a great help in checking guage. The knitting needle size ruler is lightweight, convenient, and so useful for non-imprinted needle! This multi-functional knitting needle gauge ruler is handy and necessary addition to your knitting notion. Specifications: Material: Plastic Color: Blue; Purplecolor; Green; Pink; Light Pink Type: Regular Knitting Gauge; Round Knitting Gauge; SKCRuler; Thicken Knitting Gauge Regular Knitting Gauge Size: Approx. 16x4cm/6.3x1.57in Round Ruler Diameter: Approx. 10cm/3.94in Weight: Approx. 9-20g Package Includes: 1 Piece Knitting Gauge Ruler note: 1.Please allow 0-1cm error due to manual measurement. make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you