Add Yahoo as a preferred source to see more of our stories on Google. An image of a man grinding a drill bit on a bench grinder - Best_Stocker/Shutterstock We may ...

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?

We may receive a commission on purchases made from links. If you're a professional craftsperson or even just an ambitious do-it-yourself devotee, then you know that a cordless drill is one of the most ...