Yeah, you can get it at any auto body supply house. It ain't cheap. The last can I bought, I almost fell out in the floor when he rang it up.
3M brand '05917 Weld Thru II'... It was damn near $30 for a 20oz rattle can.
Here, this is easier....
https://www.autobodytoolmart.com/pro...hoCZcEQAvD_BwE