Check the listing for details. 3 pcs Synthetic diamond polycrystals D 6 x 3 mm .. Condition: New – Open box. Listed at 9.99 USD. A description of all the exhibited items is made as objective as possible. In the specification, there are technical, physical and other characteristics. Are listed all defects and deficiencies. I am always ready to answer your questions honestly and impartially. Recommended for treatment of non-ferrous alloys with a high content of silicon, glass, and plastics. Approximate dimensions: DIAMETER: 6 mm DEPTH: 3,0 mm Weight of synthetic diamonds - 1.5 carat / piece. Their use for the manufacture of cutters, and other tools.High chemical and corrosion resistanceDiscount for the combined shipping I will add a tracking number in EBAY Delivery times depend on courier services, and not on me. "Please do not shoot the pianist. He is doing his best."Oscar Wilde .