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Clever design makes this an interesting little tool. It is not a heavy duty item, but lightly sharpens drills effectively, provided the operator (a) takes very great care to grind evenly to get the lips of the drill identical in length (so you will need some means of measuring or comparing the lengths optically), and (b) stops rotating the drill bit when a drill lip has been fully rotated, but before grinding into the following lip. This requires precision, and is made difficult by the fact that it is not easy to see the exact position. You really need to understand what you are trying to do, if you use this device. It is made of plastic, so flexes under pressure, but it is stable with careful handling. Useful item to have in the toolbox, for occasional use on drills that are not badly damaged. Low price means I am not disappointed.Vollständige Rezension lesen
Bestätigter Kauf: Ja | Artikelzustand: Neu
Used this once and the head snapped off.Cheap flimsy plastic, Avoid.
Bestätigter Kauf: Ja | Artikelzustand: Neu
We find this item something and nothing.
Bestätigter Kauf: Ja | Artikelzustand: Neu
Bestätigter Kauf: Ja | Artikelzustand: Neu
I found it useless.....
Bestätigter Kauf: Ja | Artikelzustand: Neu
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