Reviewed by 1 customer
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Comments about 1-3/8 in. Ice Hardened Hole Saw:
I used one to drill thru 1/4 metal post on the thick side and not knowing the speed requires took me seconds to dull it out. I luckily had purchased a second one and I adjusted the speed and it went thru like butter ( more like slowly melting butter) it did the job and it still in ok shape.