Eastwood has the burrs also, I think I got a set of 3 with different shapes.
I found a cut off tool with 2 wheels on it works great, but even when the wheels are small you cant get those corners. I know this is a NO NO but I removed the safty shield(not without my goggles on) & that got it into more spaces. the double wheels worked great on my plug welds, cuts fast & better control. I like to credit who i got the tip from but the names not comming to me, if it's one of you guys, jump in & take some credit, it works great! Rich.