If your drill bits no longer work like they used to, a drill bit sharpener can bring back their edge. Whether you work with wood, metal, or plastic, sharp tools work faster and more precisely than ...

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?

Darex brands include Darex industrial bit sharpeners, Drill Doctor professional and DIY drill bit sharpeners, Work Sharp Outdoor knife and tool sharpeners, and Work Sharp Culinary kitchen knife ...