Shank Type: Straight ShankDrill Bit Diameter: 3.5 mmMaterial: High Speed SteelNumber of Pieces: 1 pc.Dril Bit Length: 70 mmMaterial: High Speed Steel. Shank Type: Straight Shank. Drill Bit Diameter: 3.5 mm. Dril Bit Length: 70 mm. Number of Pieces: 1 pc.Brand: Mibro