Just a heads up. Princess Auto has a small kit of round 18ga plugs for welding into holes in bodywork, handy for firewall holes. I'm not sure if this an old product but our local store showed them as a "special deal" or something like that. The kit has a step drill and 10 each of 3/4", 1" and 1 3/8" plugs and was $12.99. Product number is 9071952. Happy welding!
