To ensure the drill bit is strong and durable, vacuum secondary tempering and heat treatment steps are added to the CNC precision manufacturing process. As a result, it is a durable choice for professional and self-service tasks. This screwdriver head is made of high-quality chromium vanadium steel, which is extremely tough, corrosion-resistant, and wear-resistant. These qualities make it a great choice for mechanical applications. In addition to the traditional HSS design, the screwdriver bits are electroplated to ensure optimal performance as well as longevity. The black phosphate coating prevents corrosion, and it is a sturdy design that can withstand the weather and the environment.By using the precision-built drill bit, there is a tighter fit and less CAM stripping, resulting in higher drilling accuracy and efficiency. Furthermore, each tool comes with a convenient storage box as well as a sturdy box enclosing it for safe and secure storage. During shipment, each piece of equipment must be positioned exactly where it is supposed to be. The obvious benefit of simple storage options is that they allow you to find the right accessories much easier, saving you time and effort.