Your gonna enjoy that a anvil, their rock solid, and create a certain ring when the pins tighten up.
Besides Sharptons, I did seven or eight others. Took a average of 4 hrs. to sand n polish each one.
The guy who cut up the piece of track, said it took almost an hour to make each cut.!!
I got lucky...he didn't charge me for cutting it up.
They also work great, as a weight for flattening scales.