Ring sizer (Ring size measurement set)

I you want to buy new ring and you are not sure with the size this is perfect tools for you to find it. I wanted to avoid different chart conversion so I just made ring with inner ring diameter in millimeters. So for example ring with number 14 has inner diameter 14mm. I did just few values but I can extend it. I also uploaded rings without numbers if you want to wear it longer time. Thickness of the rings is 3mm