This set was a great purchase for me. I love the variety of grits, they don't seem to clog and their hole pattern is perfect for my Ryobi corded random orbit sander. They also last at least as long as my Diablo pads, which are my gold standard. My only recommendation is after you mount them on the grinder, poke holes with your finger, this will prevent the edges of the holes from being embossed on the work piece. I've found this to be especially necessary with finer grains. Otherwise, I highly recommend them!
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