Stainless Steel Urethral Silicone Dilator Catheter Penis Plug Tube Stretcher Ring for Beginner Men

Size:
Total length: about 110mm. Effective length: about 75mm.
Maximum diameter of the item: about 8mm.
Diameter of the top ball: about 4mm.
Inner diameters of 2 black silicone ring: 30mm + 25mm.
No through-hole.