Small Digital Caliper 0-4" Mini Measuring Tool, Micrometer Caliper with Auto-Off Feature, Interchangeable Between inches and millimeters for Jewelry Measurement and 3D Printing

I highly recommend getting a digital caliper to double check the sizes you get. Never know when you might get something that's way off on size. Hasn't happened to me yet. Digital calipers also help if you forget which size a particular piece is. This is the one I use https://a.co/d/07naUDbv