ITEM NAME:1/8 "Shank Tungsten Carbide Burr Turning Tool Double Diamond Cut Rotary A#S Product Description Description: Description: Material : tungsten car.Type: Rotary Burr. Included:10 X Cutter Rotary Tools. Long service life. Total length: 40-50mm. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.