Specifications: Twist Drill Bits Diameter: 4mm / 0.16-inch; Drill Bit Length: 300mm / 11.81-inch; Shank Diameter: 4mm / 0.16-inch; Total Length: 400mm / 15.75-inch; 1 x Straight Shank Twist Drill Bit [Strength and Hardness]- Made of M35 HSS(High Speed…