3MXtract Cubitron II Net Discs (710W): 5 in. width (Purple) / 50-discs 120 grit

Excelente...

I've got about 10 hours now using these disks (in 120 and 180) and I'll never go back to paper disks.Yes, they cost around 2 times more than the name brand disks that I've been using (mostly Norton and Diablo), but they last 3-4 times longer, so I'm actually saving money. They also sand better (smoother) and collect dust better (when sander hooked up to a shop-vac).The only downside that I've run into is edge fraying. These aren't good for sanding into corners. They're great for flat surfaces, but if you're hitting corners/edges, then the edges of the disk will fray. It doesn't really affect the function of the disk, but just something to know.

The Cubitron line of sanding discs from 3M are the best available, without a doubt. The surface has a uniform coating of grit, with no lumpiness or gaps. They are highly durable, lasting at least 3 times longer in my random orbital sander than the "economy" brand that I previously used. The grit seems to have sharper edges, so the discs do a much better job of surfacing than plain sand. The results are uniform at any grit, faster, and smoother. I cannot recommend these enough!

I love this sand paper. I would recommend getting more than you would think and also getting a loop saver. the common complaints are they wear out quickly and it messes up your sanders loops. This is true but it' because it's a net material. The actual grit lasts forever and the loops wear out again because it's a net and they come through. Knowing that before hand, the performance of these are fantastic and the best discs I've ever used. Won't use anything else again. Also use a dust extractor or shop vac for the best performance.

I'm an amateur woodworker with way too many tools for my skill level but I do like good stuff. I've tried a ton of different sandpapers on my Makita 18v random orbital sander and by a magnitude or order, these are the best I've used. I bought a box of the 120 grit and have never used a paper on my sander that was as aggressive as these are. They are legit, but... as tough as these are, it will take a long time to use them all. If you are a weekend warrior, I would look for the assortment pack. There is no need for a whole box of one grit. Had I known how effective these were, I wouldn't have gotten a 50 pack. I saw an assortment that included 2-each of several grits but I thought 2 of each would be too little. It would have been a smarter purchase. From there I could have decided which grits I would go through and order accordingly. Fortunately I have a competitor's paper that I can use to do final finishing. One thing of note... these 120 grit discs bite hard and my best luck in controlling the sander has been with a supplemental hook & loop pad on the original hook & loop pad. The extra cushion helps keep the sander from deciding on its own where it wants to be.