Ring has 3 sizes (inner diameter) can be selected: 1.57'' (40 mm), 1.77'' (45 mm), 1.97'' (50 mm).
Cage length is about 2.76'' (70 mm).
Cage inner diameter is about 1.38'' (35 mm).
These sizes may have a little error because it's made by hand.
Weight is about 210 grams.