Milt, yes long time no see, great to at least talk with you here. Having knee problems and will get it operated on before Christmas so haven't been doing any shooting since the last Thanksgiving shoot.

Yes you can work them both with files.

01 tool steel and 01 drill rod are the same and use oil for quenching.

If you have trouble doing it, especially the 1/8" part let me know and I can make it for you.

David