Penis Outside(Circumference)
Cylinder Order Size(Tube Inside Diameter)
3.5 to 4.5"
1.5"
4.75 TO 5.25"
1.75"
5.5 to 6.0"
2.0"
6.25 to 6.75"
2.25"
7 to 7.5"
2.5"
7.75 to 8.25"
2.75
8.5 to 9"
3"
10.25"
3.25"
11.75"
3.75"
13"
4"
14.25"
4.5
15.75"
5"