30Pcs Diamond Grinding Head Cylindrical Ball Nose 1.5-3.5mm Engraving Bits Bur Coated Carving Burrs Shank 3/32" Tools for Stone

30Pcs Diamond Grinding Head Cylindrical Ball Nose 1.5-3.5mm Engraving Bits Bur Coated Carving Burrs Shank 3/32" Tools for Stone

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