This is sterling silver half round wire. Base width 2.30 mm and 1.19 mm high.
This is a good all around ring size since it is not too thin. The half round profile makes it comfy on the skin. Jewelry making silver. Sliver working is a fulfilling craft and we can help you get all set up with what you need to get started.

Select your length with the drop down menu. 

Makes lovely dainty bangles too.

I have enlarged the image to show detail.