Anyone else using 3m radial bristle wheels?

[David Farmer]

I recent shoulder injury has me scrambling to ease the strain from a growing mountain of fret work.

Years ago David Collins posted about using 3M's radial bristle brushes for fret polishing.

I have ordered a couple of the 6" diameter version and was wondering if anyone has found a good rpm for them. I'm wondering if I can get away with a 1725rpm mandrel or will need to slow them down with a pulley/arbor rig.

[Ned Knepp]

Haven't tried this myself but I used to know a painter that cut his wide rolls of masking tape into narrower rolls on a band saw. Perhaps this would be a way to get the exact size of tape you need?