These polishing tips provided a very smooth mirror like finish
The rubber grinding head/Elastic sponge rubber grinding head
Suitable for the polishing of metal and non-metallic surface jade amber emerald agate nuclear carving jade carving
They work well for cleaning rust off steel, removing light pitting, softening hard edges on parts, and cleaning up stone ground surfaces. Much less aggressive than sandpaper drums, but more aggressive than coarse polishing compound
If you're a DYI'er, hobbyist, technician, etc., you'll appreciate having these to get the best from your rotary tool. They fit my Dremel and my off-brand rotary tools.