I had an old grinding machine with Polar Magnetic system, these Polar Magnetic Grinding Heads had a very great cooperation with my machine LOL, grinding fast and left a lot after a small job. Good tools and recommend it!

Great product. Grinds fast. So far great results with 3 hour of use.

I've been really impressed with this polar grinding tool. Seeing that many different ones were for sale on the site, This tool fit my machines and did the job and lasts long. I like it a lot.

This Polar Grinding Tools made quick work of cutting concrete surface. It is very aggressive. I like them.

Did not try yet, but looks well. Well packed and arrived quickly. Thank you.

Looks very qualitative. The diamond pads are very thick. I'm satisfied.

I have no idea how these are so cheap. Grinded down my 300 SF garage to prep for epoxy.

Super fast, person serious, parcel arrived well packed, goods tested.

I purchase this to grind off the thinset after ripping up old tile.It fit and did a good job.

This grinding heads are awesome, we use them to finish a concrete floor and the results is good.

Worked very well for as inexpensive as it is .

This plate is a fine grit you could say good for paint removal and coatings, not very thick thinset.

I use these to grind concrete in preparation for foundation repair and it's great at a great price

Product worked great. Used it to clean up thinset from concrete.

Great for grinding concrete. I was amazed at how fast it removed material.

PERFECT, arrived in less than 4 days

Great for coating removal and concrete prep in tight areas.

It worked well and was durable.

For the price you can't beat it, it's pretty good quality.

Ilike the megnatic grinding tools easy to install. Grind very well so far.