I bought a 40 pack of sanding pass that required this piece. The holes are the most dangerous part in my experience. I make metal art and today had an accident that could have really injured me, but was lucky. While grinding one of the holes caught a piece of metal and whipped the metal around a couple times. I escaped with only minor injury but it could have been much worse. Also, these are very expensive and don't last long. If you're going to buy some, please protect yourself, and buy a few at a time so that when they break you won't be left without.
Verified purchase: Yes | Condition: New
Cuts faster than regular abrasive disks
Verified purchase: Yes | Condition: New
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