pls contact anya#kosuperhard.com or tel 008613838153474 E-mail: kosuperhard2@yahoo.com or kosuperhard1986@gmail.com TEL: 0086 13838153474 MSN : anya@kosuperhard.com skype :kosuperhard1986 Vitrified Diamond Straight Grinding wheels for PCD&PCBN cutting tools and vitrified Diamond Cup Grinding wheels for PCD&PCBN cutting tools are mainly used for coarsely grinding, fine grinding, and polishing of PCD and PCBN cutting tools. Product Specifications/Features Briefs:Vitrified Grinding, Wheels, superhard, wear-resistant, high-efficient, The great assistant for the materials of PCD,CBN and hard alloy¡¯s grinding.