What is the chance of a piece breaking a male piece when changing it to a female joint piece?

Home Frequently Asked Questions (FAQ) Glass Information What is the chance of a piece breaking a male piece when changing it to a female joint piece?

This is not something we can fully know.  There are a lot of unknowns involved.  I would say on average a good rate is 50/50.  We feel we are much higher than that, but there are things we can not know.