Guyon Urethral Sound Kit is a special collection of urethral toys made for the most experiences users. They are not for the faint of heart so it’s best to be used by those who are familiar with urethral stimulation.

This is a perfect kit for all serious sounders who wish to go to the maximum level and experience truly deep and intense stimulation.
The kit includes 15 smooth sounds that are made of 316L Surgical Steel and are measured in French, they start at 8 French going to 36 French in increments of 2 French as you go.

If you are looking for a collection of serious, intense urethral toys to take your sounding passion to the ultimate level, this is a perfect kit for you.