Precise and Accurate: With its precise , this milling cutter creates clean and accurate holes without any jagged edges, allowing you to achieve professional results in your woodworking and metalworking tasks Wide Range of Sizes: This step drill bit offers three different sizes (20mm, 35mm, and 50mm), providing versatility for various hole opening needs Efficient Cutting: The straight flute design ensures effortless cutting through materials like wood, aluminum, and metal sheets, resulting in high efficiency for your projects Sturdy Construction: Crafted with premium materials and hardened edges, this step drill bit is built to last, offering enhanced durability and long-term usability Convenient Hole Opening: Whether for DIY projects or professional applications, this hole opener offers easy and convenient hole opening, saving you time and effort, Manufacturer: Akfldms