Urethral Sound with Through Hole and Finger Ring - 75mm Long - 8mm Thick

This urethral sound has a 5mm diameter flat tip with a hollow through hole approximately 2.5mm diameter.
As you move upwards from the tip, the shaft slowly and smoothly tapers to an 8mm maximum diameter, before rapidly dropping back to a 6mm diameter section.
The 2.5mm diameter through hole runs continuously from end to end, unobstructed.
The finger ring allows it to be held easily when in use.
Material: Stainless steel
Total length 75mm.
Urethral insert length 43mm.
Urethral insert diameter 5mm at narrowest point, 8mm at widest.