The 3-7/8 SHELL REAMER STR FL HS is a high-speed steel shell reamer designed for precision machining. With a diameter of 3-7/8 inches, this straight flute reamer is ideal for enlarging and finishing holes in various materials. Its high-quality construction ensures durability and long-lasting performance, making it suitable for heavy-duty applications. The reamer's design promotes efficient chip removal and a smooth finish, adhering to industry standards for quality. Perfect for use in manufacturing and fabrication, it enhances the accuracy of your machining processes.