This handy tool makes it easy to measure everything related to socks. One side of the rule measures inches, the other centimeters, and the holes at the bottom of the ruler act as a gauge for the most common sizes of needles for sock knitting, from 2.0 to 4.0mm. The ruler can be used as a quick check on gauge, and it's small size make it easy to slip into your favourite sock knitting bag.
