6 Cup Brush, Nylon Filament, 5/8-11 Thread, 2500 max.RPM

works great-takes larger grinder to move it right

Doesnt come with a drill bit to attach to drill. Had to make one out of a 5/8 Bolt, but doesnt pull up paint whatsoever. Had to go with a dependable wire brush drill attachment. Worked 1000x better. This product is garbage, and you should be ashamed for selling it.

hesitation on acceleration between gears disappeared! very good, product, good performance. priced great too!

Great product. Good value.

Item as described.

Did not remove surface grout and left a red stain on the tile.

works great but pretty heavy. may be too much for cheaper side grinders.

First, this is actually about 4.5 in diameter which, for me, is better. I put this on a slow speed angle grinder and used it to clean a slate bathroom floor and a travertine and slate shower in about 15 minutes. The mineral deposits disappeared along with ten years of accumulated soap residue. After re-sealing the shower the floor looked like new. Had similar results in the kitchen. Dont clean grout without one. My angle grinder was running at 2,200 rpm. Id go a little slower if I could.

Will not fully remove all rust, but cleans quickly. Doubt Ill ever wear it out, used for 2 hours and looked like new.

Th cup brush itself is great, But I wouldnt bother with it unless you have a variable speed grinder.