It's Sew Emma Cross Stitch Key-

The ultimate reference tool for cross stitch! Featuring four functions, this Cross Stitch Key by It's Sew Emma is convenient and handy. It displays a Reference Guide for floss count and needle size, a Cloth Counter to help figure out fabric, a Ruler for general measurement, and a Corner Guide to help position your designs. On high contrast gray and white, this notion is easy on the eyes as well. This package contains one 3.5x5.75 inch cross stitch key. Made in USA.