On the GTA, a member just posted this photo of a male Foster fitting which blew apart, causing some loss of hearing, bruising, and minor cuts to arms and legs....
http://i378.photobucket.com/albums/o...ps05366bf2.jpg
It was purchased on eBay, source unknown, and although it looks like steel, it is not magnetic and he thinks it is made from Pot Metal.... Buyer Beware....
Bob