Cheap And Discounts DT-DIATOOL M10 Vacuum Brazed Diamond Bits For Finishing Hole Tool 2pcs Dia 50mm Efficient Hex Shank Beveling Chamfer Hole Saw Wholesale. Buy Directly From Merchant DT-DIATOOL GLOBAL TOOLS Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.