The Urethral Sounding is embellished with a number of precision-stimulation spheres in a variety of diameters.These spheres are positioned over its entire length to impress even the most ambitious user. Long Therm wear Penis Plug!
Both attachment and insertion are very easy. The solid, tight fit not only ensures a firm, sensitive head, but an unforgettable experience, particularly during auto-erotic play.

Material:

Medical grade Stainless Steel 316L
Body safe; Keep clean after use
Dimensions:

Insertable length about 75 mm = 3"
Diameter 4 to 8 mm (0.16 to 0.32")