Durability - Twist drill bits crafted from high-speed steel for hardness and long-lasting durability; reliable results with minimal wear over time. Versatility - Eight-piece set in varying sizes; flexible for a wide range of drilling tasks; smooth transitions between different applications. Depth - Extra-long cutting length enables deep hole drilling; suitable for projects that require accuracy at greater depths; no need to worry about short, shallow cuts. Performance - Twisted design improves drilling efficiency; reduces effort to create clean, precise holes; aims to deliver a seamless, hassle-free experience for the user. Applications - Deep through-hole drilling in thick workpieces such as frames or assemblies where deeper reach is required. - Working with multiple hole sizes in a single job, enabling consistent diameters across components. - General maintenance and repair tasks requiring clean, accurate holes and efficient drilling.