Tulip Knitting Needle Gauge – Always know what size your knitting needles are with this knitting needle gauge. Has the size indication on your needles worn off by your hours of knitting fun or do your needles only have American sizes on them? Then this knitting needle gauge from Tulip is a handy tool to have in your knitting bag. The gauge is suitable for knitting needles from 2 to 12 mm. On both sides of the gauge, you’ll find a ruler to measure small sections of your work.