Length: 4.33 inches/ 110mm （The total length of the counting clasp is about 11cm, the extension length is 6.5cm, and the inner diameter is 3.5cm）
Inner Diameter: 1.37 inches/ 35mm
Ring Diameter:
45mm or 1.77 inches
48mm or 1.89 inches
51mm or 2.0 inches
54mm or 2.12 inches
Package Included: Chastity cage+ Lock+ all 4 rings