Carbide insert identification?

[winchman]

I have a big box of these any idea how to describe them, I have never see inserts like these?

 

[Shox Dr]

Look more like jaws than inserts.

 

[winchman]

I thought that but they look to be carbide?

 

[pressbrake1]

Have you tried magnet on them
Carbide is weak pull

 

[winchman]

Have you tried magnet on them
Carbide is weak pull

Not yet but I will they do look like Carbide tips to both of us