The 1-3/8 Hand Reamer STR FL HS by Field Tool Supply is a high-speed steel reamer designed for precision hole finishing. With a diameter of 1.3750 inches, this straight flute reamer is perfect for enlarging and smoothing holes in metal and plastic. Its robust high-speed steel construction ensures durability and resistance to wear, making it suitable for repeated use. The straight flute design facilitates efficient chip removal, providing a clean finish. Ideal for professionals in machining and fabrication, this reamer meets industry standards for quality and performance.