Needle Noter Sewing Machine Needle Tracker Blue. You need a Needle Noter to track which needle you left in your machine. The wheels spin to set the size and type of needle you place in your machine. Change the setting each time you change the needles. The Needle Noter has three moveable discs. The bottom disc will tell you the application type of needle, the middle disc is the size of the needle, and the top disc indicates with an arrow which needle you put in the machine. Select your needle type by aligning the bottom two discs by type and size and spin the top arrow to note it. Then attach to your machine. Features: Easy to use, Lightweight, Fun, eliminates frustration, Bright and easy to read, Pretty accessory, No batteries or plug needed, Eliminates guessing, Lasts forever, You'll want one for each machine, Invented by a 70 year old sewist, Universal to all needle manufacturers. Has settings for Quilting, Leather, Jean, Jersey, Ball Point, Stretch, Top Stitch, Microtex, Embroidery and Universal. Has size choices for 60/8, 70/10, 75/11, 80/12, 90/14, 100/16, 110/18, 120/19, 125/20, 130/21 and 130/21. Size: 3 inch Diameter. CHK-NN-14697