HSS Router Drill Bits Wood Rotary Files 20Pcs/Set Woodwork Milling Burr Cutter

8-25mm Diamond Grinding Burr Head Bits 6mm Shank for Milling Polishing Buffing. 6mm Shank Vacuum Brazed Diamond Burr Head Grinding Rotary File for Stone Iron. 20 Pcs/Set x HSS Engraving Rotary Drill Bits.

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