Ring sizer 12-22

Measuring tool for ring sizes.The naming convention of the files is the following:Static prefix: sizeInside diameter in millimetersTwo numbers indicate a whole number.Example: 14 is translated to 14 mm.Three numbers indicate number with dot.Example: 125 need to be read as 12.5 mm.Europe size - most of the time this size correspond to the inside circumference.British & Australian size - indicated by a letter from the Latin alphabet.US & Canada size:From sizes A to T, two number indicate a number