Luo ke 80 Grit 3 Different Shapes Head Mounted Stone Point Abrasive Grinding Wheels Bit Set with 1/4" (6mm) Mandrel for Rotary Tools

They work good I used the to sharpen lawn mower blades

It wasnt well balanced, ran out all over the place, Was using it on my tool post grinder and had to true it up a bunch but it did the job and didnt blow up in my face with all the trueing so not bad. Delivered fast. I dont know how someone would use this with a hand held tool it is real out of wack from the start.

As a professional handyman, this set of grinding bits are very useful. I use them to enlarge the hole in a latch strike when the door sags due to improper installation. Making the hole bigger is an easy way to hear the "click" when the latch pops into door jamb.

Excellent item, good price, fast shipping!

Did a fairly good job of smoothing some small edges. I did a better job using a hand file first and then coming back with these.

These are wonderful and fit my drill really well and grind anything you can think of. The various shapes fit all items. the quality of them is great.

Great for the price for medium duty grinding.

Nice to have and works great.

Although I haven't try it, hope doesn't ware out too fast. It looks good. Fit well on my 1/4 rotary tool.

Firstly, the shanks are not glued into the stone straight. Secondly, the shanks are not 1/4 inch. They are very loose in a 1/4 inch die grinder arbor. Thirdly, the stones vibrated excessively and immediately broke upon light use! Waste of money. Very disappointed.