"There are 19 holes, which can measure the needle diameter of 2.0-10.0, and there are English and American metric systems on them. Can be used as a knitting needle measuring tool or as a regular ruler. An essential tool for every knitter."
"A useful measuring tool for artists, designers, architects, engineers, students, etc. The translucent colour gives a clear view of the numbers and letters on the page, you can easily measure an object, suitable for classrooms, schools, offices, homes, etc."