| You guys are aware that using a dremel tool on your grooves will make your irons illegal.
Why? Because the grooves would not pass the USGA, R&A rules for depth and width.
Now after saying that let me tell you this. I used a dremel to cut some wider grooves on an old GW I had here. Hit balls with it and there was no difference in spin from before and after.
You would have to golf a lot of rounds of golf before you wore out the grooves in your irons. Take it from a guy who golfs a lot of rounds of golf! Over 400 rounds on a set of TaylorMade irons and the grooves were just fine when I traded them in.
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