\r\nKrobahn KB-DBHS0007 7mm Dry Diamond Tile Bit\r\n- Manufactured from high-grade hardened Steel.- Hex shank to prevent slipping and for use with corded/cordless drills.- Wax core design provides self-cooling and self-lubrication.- Comfortable and easy to use.- It is an essential part of your toolbox.\r\nThe Krobahn 7mm Dry Diamond Tile Bit, KB-DBHS0007 is manufactured from high-grade hardened Steel, Hex shank to prevent slipping and for use with corded/cordless drills, Wax core design provides self-cooling and self-lubrication, Comfortable and easy to use, It is an essential part of your toolbox.\r\nFeatures:\r\n- For best results use 1500-2800rpm.- Diamond drill bit for dry cutting ceramic, porcelain (Grade 5), and stone.- Size: 7mm.- Color: Red/Black.- Brand: Krobahn.