BA-11 Base Ring Quantity:cage with 1 base ring If you don’t like this

If you don’t like this dual lock system(Headless Hex Screw +Permanent Lock)there is another dual lock system(Padlock+Permanent Lock)

you can draw and upload pictures to make your customization more precise

you can custom bar gauge

Because the position of each person's urethral orifice is different

5mm-10mm sound

BA-11 Base Ring Quantity:cage with 1 base ring If you don’t like thisMaterial: Stainless Steel Titanium Catheter Diameter: 8mmThe below 3 sizes is must needed: 1. Chastity Cage Overall Length2. Penis Tube Inner Diameter 3. Base Ring Inner Diameter For other sizes,such as the gap between base ring and penis tube,it is around 10mm by default,but it is customizable too,so if you have demand on this size,you can specify this size in the corresponding text box. For more style details,such as adding scrotum bar,PA hook,.