Drill Bit Grinder Feature Be convenient to grind all drill bits with two flutes, unlimited overall length Capability Dia 3 - 13mm Chisel Angle 118¦ - 140¦ Application 1. Cutting Edges, Split Points 2. All drill bits with two flutes Sanding Wheels Depending on the material to be cut Sand sizes CBN/200 does the phrase"sand sizes" means granularity of grinding Coolant No Accessory Drill Holder Power 230V, 50HZ Dimension 31*17*18cm Gross Weight(kg) 10