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Title: Tip broke off on first use
Review: Unfortunately I can't echo the nice comment already here. I did not have good luck with these. I picked up this exact set at a local big box store and had to take it back the next weekend with broken bit. I was drilling in some old pine joists when the tip jammed and broke off - this was within the first 5 mins of use. Nice idea, but didn't work for me.
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