The Sherline 1/4" Double End Mill 4-Flute is crafted from high-speed steel, offering durability and precision for machining tasks. It features a bright finish and a spiral flute design, ensuring efficient material removal and a smooth surface finish. The tool is designed with a right-hand cutting direction and is double-ended, providing extended usability. With a hardness rating of 58 to 60 RC, it is suitable for various milling applications requiring robust performance.