I'm almost too embarrassed to admit how cheap (and lazy) I am. I'm using the same Thumbler's (rock) Tumbler that I bought in the 70's but wait, there's more.... I also bought a 50 lb sack of crushed (either walnut or corn cob) media that I'm ALMOST finished with. When I'm feeling really 'first cabin', I squeeze in a little Brasso. I just clean them so I don't screw up my equally old RCBS dies.....

J.