ChiaoGoo Knitting Needles Gauge
The essential needle gauge from Chiaogoo is available in two sizes: 5" (13 cm) and 8" (20 cm). This tool is both a needle gauge to check the size of your needles and a convenient rule to measure your samples. So, on your marks ...
Love this when knitting socks. Can insert in the foot to guide my knitting on the length.:)