BA-22 Material:stainless steel then we both have a

then we both have a same size reference

5*penis tube inner diameter/red line length+cage head length/yellow line length)

0mm bar gauge

45mm and 48mm

Charge 70USD Per extra base ring

BA-22 Material:stainless steel then we both have aAbout the scrotum pressing ring.(actually it is a kind of scrotum bar I mentioned on other customized chastity cage) Its function is to prevent ball slipping out,prevent ball escaping from the base ring. You can see the 5th profile picture,if penis tube diameter is too small but base ring diameter is big,then the diagonal gap from base ring bottom to penis tube bottom (,for example,this diagonal gap is 25mm or 30mm,then this size can let ball escape