What's this on oil pan magnet?

[Starlight]

(11-18-2016 )Texasdude74 Wrote:  I tell ya man. I've completely lost any and all faith in Peterbilt dealerships. It's unacceptable to be dropping parts in an engine. To be dropping parts in your engine, from a completely different engine? I don't know what that is.
This was also a Peterbilt. Can you believe the head gasket lasted nearly a year on this one? Think the Pete covered it?

Thats the crappiest repair i have ever heard of. Wow and double wow. Had i not seen this pic i would have argued this was not possible. Thats a number 10 sealing ring.