50pcs/set Diamond Drill Bit Burr Set Grinding Head for Rotary Tool Crafts Rocks Marble Porcelain Hand Drill Jewelry Making Lapidary Engraving with Storage Box

Price:
US$21.44

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Features:
Suitable for use in grind the edge of glass, tile, marble, jewelry or rock.
Various shape and size meet your different carving need.
3mm shank fits most of rotary tool or bench grinder.
Made of high-quality diamond coated & metal material, more durable and wear resistant.
Comes with a small box for convenient storage and carry.

Specifications:
Color: Silver
Quantity: 50pcs

Packing List:
50 * Grinding Heads