The Sock Ruler® (patent pending), is constructed of a heavy duty, yet flexible plastic. It's 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.) It's easy to use, no tape measure blues, and it's made in the USA!
Knitting from the cuff down, The Sock Ruler® will measure:
Length of cuff
Distance from top of cuff to start of heel flap
Distance from finished heel to start of decrease for toe
Knitting from the toe up, The Sock Ruler® will measure: