I've been thinking about buying one of these but I don't know if they are just a gimmick. Also, if they genuinely work well how good do your bits need to be in the first place to be worth sharpening?

The professional-use Drill Doctor 750X sharpens standard twist and masonry bits from 3/32” to ¾”. The custom point angles can easily be set anywhere from 115 to 140 degrees.The adjustable material ...

We may receive a commission on purchases made from links. A hand drill is only as good as its drill bit. You may have one of the top-rated drills for home projects, but it won't be able to do the job ...