Fresatrice diamantata oliva punte trapano 3/4/5 mm rettifica per vetro pietra Dremel

The diamond burr is made of high quality diamond by brazing technology.It is more durable and sharper than ordinary diamond burr. -Head shape: Olive. -Material: diamond. -With 3mm shak can be installed on electric drills, electric grinders, electric engraving pen and other electric rotary tools.

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