Device is made of stainless steel and its surface is mirror polished faultlessly.
Including 1 cage, 1 ring, 1 lock (with keys), 1 drain tube (if you select it).
Cage has 2 sizes can be selected.
Long cage length is about 3.55'' (90 mm), inner diameter is about 1.32'' (33.5 mm).
Short cage length is about 3.3'' (84 mm), inner diameter is about 1.18'' (30 mm).
Ring has 4 sizes can be selected.
extra small ring: 1.60'' (40.5 mm)
small ring: 1.67'' (42.5 mm)
medium ring: 1.77'' (45 mm)
large ring: 1.87'' (47.5 mm)
Tube length is about 2.36'' ~ 2.56'' (60 mm ~ 65 mm).
These sizes may have a little errors because it's hand made.