The Steel Huge Chastity Cage is made of sturdy stainless steel and has a useful hinged ring design for improved security and simpler installation. With five base ring sizes available—1.42", 1.57", 1.77", 1.97", and 2.17" (36mm–55mm)—it enables substantial customization. For a stable, customized fit, the main tube's diameter is 1.37" (34.8mm) and its inner length is approximately 5 inches. The pin distance is standard at 1.5" (38mm).