[Specifications]- Twist Drill Bits Diameter: 3.9mm / 0.15-inch; Drill Bit Length: 70mm / 2.76-inch; Shank Diameter: 3.9mm / 0.15-inch; Total Length: 119mm / 4.69-inch; 1 x Parabolic Flute Drill Bit [Strength and Hardness]- Made of M35 HSS(High Speed…