Plastic Caliper

Measure your piercings the easy way! With this easy to use caliper you can measure all your piercing jewelry easy and accuratly, no more fussing about with other measuring equipment. Measuring is super easy: open the large outside jaws and fit the part of your jewelry that needs measuring between them. Gently slide the jaws towards each other and check the main scale. There you go, the exact size of your piercing jewelry!
How to read your caliper? Click on this Wikipedia link for a detailed explanation!