The Sock Ruler
The Sock Ruler ?is constructed of a heavy duty, yet flexible plastic; an innovative measuring tool for sock knitters that goes inside of the sock, allowing it to lie flat and ensure accurate measurements (both metric and imperial).
The Sock Ruler Regular is for adult sized feet and children size large
The Sock Ruler Junio: is a set of two, one for babies and one for infants
The Sock Ruler Combination includes all three Sock Rulers!
Easy to use, no tape measure blues! ...and made in the USA!