The 1" Shell Reamer STR FL HS from Field Tool Supply is a high-speed steel tool designed for precision reaming applications. With a diameter of 1 inch, this reamer is perfect for creating accurate holes in various materials, including metals. Its straight flute design allows for efficient chip removal, ensuring a smooth finish. Constructed from durable HSS, this reamer is built to withstand high temperatures and pressures, making it a reliable choice for machinists. It meets industry standards, providing confidence in its performance and longevity.