20Pcs Super Strong Round Cup Neodymium Magnets Heavy Duty, 0.79"(20mm) Ring Rare Earth Magnets with Holes, Small Countersunk Pot Magnets for Craft Kitchen Wood DIY Holding Tools Hanging

Pluses first: perfect size for my application; very strong for the size––again, just right for my intended use. (Also: shipped very quickly.) Here's why I'm dinging one star: The hole for attaching the magnet is quite small. Indeed, it will NOT accommodate a #6 screw––and that's a fairly skinny screw size (most screws you'll see will be #8 and up). I tried to drill out the hole: not happening. Tough metal in there. So, I will attach by way of either epoxy or superglue. That will be good enough, but screwing these on would be way better. Some screws are, admittedly, provided, but too short for my application. FYI: the provided screws are quite small, and will only bite into wood about 7/16" deep––not much holding power for a very skinny screw. You will have to decide if, in your application, the screw can hold as much weight as the magnet. In hardwood, maybe; in softwood, I would not count on it over time, if at all.

Arrived and performs as expected. Quality seems pretty decent

The magnets are strong and perfect for what I bought them for (hotel flags for a hockey tournament)- and would easily be 5 stars for function, but I received 20 magnets and only 16 screws.Naturally I needed to make 17 flags- and tracking down a screw that was the correct length and fit in the end cap of the magnet was a pain in the butt at the hardware store.

These magnets work awesome to hang out metal posters (from Displates). I used these magnets to place some metal posters on the wall and they work perfectly! I just drilled a hole on the wall (masonry wall) and put in an expansion then the magnet with the screw and it holds securely. then I just place my metal poster and the magnets are so powerful I just use 2 for each poster (I placed them diagonally) and they just work! I am very happy with this!

Try to make a hover board! These are not strong enough for my application. But there's nothing wrong with them. Just not what I need.

Works exactly as advertised. I would purchase again if I needed another.

These little magnets are great. Very powerful. I’m using them to hold tools on the wall in my shed and they really hold.

The magnets themselves are fine, but the screws they include are made of metal that is cheap & soft. I had the heads of 3 screws so far twist off simply when screwing them into plywood. I had to grind them off, damaging my project in the process.