The Small Sized Ring Guard is ideal for a typical women's ring. The arms are about 6mm's long which would fit a ring band of about 3mm thickness.
The Medium Sized Ring Guard is ideal for a typical mens ring. The arms are about 8mm's long which would fit a ring band of about 4-5mm thickness.
The Large Sized Ring Guard is ideal for a ring with a thicker band. The arms are about 11 mm's long which would fit a ring band of about 6mm thickness.
The Jumbo Sized Ring Guard is ideal for a ring with a very thick band, such as a class ring. The arms are about 18 mm's long which would fit a ring band of about 9-10mm thickness.
