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Title: Bad knockoffs
Review: Whatever these are, they are NOT Dremel 9901s. They mic out at 3/32" at the cutting head, whereas 9901s are 1/8" from shaft to head. Additionally, 1 of the 3 I ordered has burn marks on the metal, indicating it may have lost its temper. Finally, they do not arrive in Dremel packaging. They come in a plastic baggie with a sticky label on it.If you are surface scrolling, these might work fine for you. If you are slotting, you will NOT achieve the size slot you need with these!
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