Cheap And Discounts Flame Rotary File Carbide Burr 1/4 Inch 6mm Shank Double Cut for Abrasive Metal Wood Carving Grinding SG-5 Wholesale. Buy Directly From Merchant Hiizug Official Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.