Photo 1 of NACX 4mm Ball Shape Diamond Points Grinding Bit, 1/8" Shank Diamond Burr Bit, Diamond Burr Rotary Tool, for Jade, Jewelry, Stone, Ceramic, Grinding, Carving, Polishing, 25Pcs

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Photo 1 of NACX 4mm Ball Shape Diamond Points Grinding Bit, 1/8" Shank Diamond Burr Bit, Diamond Burr Rotary Tool, for Jade, Jewelry, Stone, Ceramic, Grinding, Carving, Polishing, 25Pcs