Addi Knitting Needle Diameter Measuring Ruler with Knife (404-7)
This ruler is used to measure the diameter (size) of knitting needles whose numbers are not marked on the needle or have worn off over time.
It has 20 holes for measuring round knitting needles with diameters from 1.5 mm to 10 mm.
It has a built-in retractable thread cutter.
Made of high-quality black plastic.
Dimensions: 6 cm x 7.5 cm.