The 02 Frankfurt 4 Segments FMDRB4 is a diamond segment BIT abrasive designed in a Frankfurt shape with 4 diamond segments. It’s part of the Frankfurt 4 Segments series used for initial grinding and surface preparation of natural stone and concrete surfaces.Frankfurt profile — optimized for flat surface contact and balanced segment engagement during grinding.4 high performance diamond segments for consistent stock removal and surface leveling.Composed of industrial diamond grit embedded in a metal bond matrix — engineered for durability and efficient coarse grinding.Mixed colour segments (typically indicates variant grit or batch).