Sizer Kit Combo to help you measure for both a Glans Ring and a Wand as well as your PA length. Save your self some money and order correct the first time.

The set includes a 1/4”, 5/16”, and a 3/8” Wand sections, and nine O rings ranging in size from 3/4 to 1-7/16.

For the Glans Ring, you want the fit to be Not Tight, and also Not Loose, just snug While you are Hard.

If you need only one of the sizer sets you can find those here;
Glans Ring Sizer Kit
Wand Sizer Kit