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Title: Great Product (but buy an extra one or two)
Review: These things work great. Make sure you have the plastic guide cage designed to work with this bit and the Dremel.They do break if you torque on them. Buy an extra one to make sure you can complete the project in case of bad luck.FYI- My local stores are always sold out of these "bit only" sets (they require you to buy a bigger set that comes with the plastic guide cage).
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