The HSS step drill bit set from Vigor includes a selection of step drill bits with diameters ranging from 4 to 12 mm. These bits are made from high-quality HSS (high-speed steel), making them particularly durable and resilient. They are ideal for working with various materials, including metal and plastic. The step drill bits allow for precise and clean holes in different sizes, making them a versatile tool for craft and DIY projects. Equipped with a cylindrical shank, they are easy to handle and compatible with standard drills. The set features a drill bit that stands out for its high quality and functionality. The use of HSS ensures that the bits maintain their sharpness and efficiency even with intensive use. This step drill bit set is a valuable addition to any toolbox and is suitable for both professional applications and personal use.