If you're talking about this kind of drill bit that I have pictured you can probably sell it as is on ebay for more than scrap. I don't know much about these (and someone had to tell me what it was when I found it) but this one weighed 70 pounds and wasn't in the best condition. One roller spun freely on it, one was tough to spin and the third was frozen. Sold it in that condition on ebay for $200. There's alot of people that collect things like this, and it makes for the ultimate paper weight!
Bookmarks