Amazon: stone carving tools
30Pcs Diamond Grinding Burr Drill Bit Mix Set with 1/8-inch Shank 10 Style Grit 60 Diamond Coated Grinding Head For Rotary Tools Stone Carving Accessories Bit Universal Fitment. 4.3 out of 5 stars 124. $16.99 $ 16. 99. Get it as soon as Thu, Dec 9. FREE Shipping on orders over $25 shipped by Amazon.