25 PCS HSS Metric Drill Bit Set (1-13mm), Straight Shank Jobber Length Twist Drill Bits

【High Quality】Made of high speed steel material which is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. 【Excelled Performance】Excels in metalworking applications when drilling in high-tensile strength materials, tips can be sharpened to ensure top performance readiness at all times. 【Sharper Blade】With a high surface finish, high grinding nicety, the blade is sharper and durable in use. The drill bit ensures small drilling resistance, chip smoothly,high efficiency. 【Complete Set Accessory】Practical tool accessories is compatible with most rotary tools, widely used in hardware, workshop, home, woodworking, etc., and it is easy to install.