The Base Ring
The first and most difficult measurement is the diameter of the base ring. The base ring is like a cock ring it is worn around both scrotum and penis. If you are new to chastity and never played with cock rings start with a 50mm-2 inch. Custom Chastity provides base ring from 40mm-1 9/16 inch to 57.5mm-2 1/4 inch in increments of 2.5mm- 3/32 inch. Or you can order a Custom Size Base Ring.
Silver – Sterling Silver is a mixture of 92.5% pure silver and 7.5% copper. The very small amount of copper gives the metal enough strength and hardness.