Bon4M Ring including under/oversized


For those who would like a real serious male chastity device we have designed the BON4M and the BON4Msmall. A special design produced in rust free stainless steel which has been tested and is very secure. The polished stainless steel chastity cage comes in two different sizes each with 4 different sizes of stainless steel hinged back rings. The BON4M is designed as a Medium/Large sized chastity device while the BON4small is more a Small/Medium sized chastity device. The approximate gap between the base ring and the cage is around 11mm. That’s the space we think is best to still be able to put the device on easily and prevent escaping, thus having an extra secure device. There are also two additional sizes of hinged back rings available: 36mm (1.4″) and 56mm (2.2″) diameter. These can be purchased separately or added to the order.


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We offer the various sizes of the Bon4M ring, including the 36mm and 56mm rings not included in the standard and Plus packages. Available in both hinged and solid versions.

Additional information

Weight N/A
Ring type

Hinged, Solid

Ring size

36mm, 40mm, 44mm, 48mm, 52mm, 56mm


Smooth lock pin, Threaded lock pin


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