Specification: -Material: diamond. -Head shape: Cone -Shank diameter: 6mm -The diamond burr is made of high quality diamond by brazing technology.It is more durable and sharper than ordinary diamond burr. -With 6mm Shank can be installed on electric drills , electric grinders , electric engraving pen and other electric rotary tools. -Suitable for grinding and engraving abrasives, metals, blades, ceramics, glass and stone, etc. Package include: According to you choose.
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