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Title: Waste of money!
Review: I bought this for an old Dremel tool that does not have variable speed control. With this speed controller, I still had an old Dremel without variable speed control. It simply did not work. Thank goodness for Amazon. I returned the item the very next day without a fuss. I do not recommend this item. I was able to solve my problem using a sewing machine foot pedal that actually worked 100 times better than this product.
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