Stainless Steel Stealth Chastity Cage With Hinged Rings 
Material:Top Quality 304 Stainless Steel, Never Rusty.
Size: 5size Clamp Ring for choose

Ring Dimension

Diameter

38 mm (1.49 in);

41 mm (1.61 in);

51 mm (2.00 in);

57 mm (2.24 in)

62 mm (2.44 in)