Specification: Drill Bit Diameter: 10.5mm / 0.41-inch; Flute Length: 155mm / 6.1-inch; Shank Diameter: 10.5mm / 0.41-inch; Total Length: 250mm / 9.84-inch; 1 x Lengthened Drill Bits High Speed Steel: Made of high-speed steel, with high hardness, heat…