1 - 1" round polished microprobe thin section
2 - holder for six 1/4" cylinders (usually epoxy cast in brass tubes)
3 - holder for forty 3/32" cylinders (usually epoxy cast in brass tubes)
4 - 1" thermal plastic cast cylinder
5 - 1" epoxy or acrylic cast cylinder
6 - 1" epoxy cast in phenolic plastic ring form