Specification: 1.ST0003-B Ti Cross Type,Carbide Tipped Bit 2.for Stone,Tile,Glass,Metal,Wood etc 3.5pcs/set ... discs, diamond grinding discs, diamond resin grinding wheels, etc. 2. Workshop 2: tungsten carbide burrs: inch size and metric size, all standard ... , Germany, the USA and Australia Ti Cross Type, Carbide Tipped drill Bit 5pcs/set