Century Drill & Tool 77441 4" Coarse Nylon Radial Brush, 80 Grit, 1/4" Quick Change Shank, 4,500 RPM - Nylon Bristles for Metal, Wood, Plastic, Masonry

I just tried these beasties and could actually find no flaw in its function ... this is new to me, usually I can find something that irritates me about ANY product. I really like not having little metal spikes piercing my tender bits when abrading metal and, as a metal sculptor, I can get really abrasive ... The fine/medium/coarse ability is a perfect detail when working with metals and gives me more options. So, buy these things. I doubt you will be disappointed.

These work great for prepping spalls in concrete floors. I use before applying epoxy repay product. We wheels tend to leave an oil residue which acts as a bond breaker

Love this drill bit! It made cleaning those “hard to reach” places in our shower a breeze.

I used to remove grout on ceramic tile surfaces. Didn't damage tiles, and saved alot of time from the manual methods.

worked great for cleaning up the remaining bark on a live edge project.

Be aware that you receive a blue wheel, not orange. This item is 150 grit. Far from what I consider to be a fine grit.

What I thought it should be

prety stiff.

It has served my purpose totally