The 0.4575 Chk Reamer ST FL SS HS from FIELD TOOL SUPPLY is a high-precision reaming tool designed for creating smooth, accurate holes. With a diameter of 0.4575 inches, this reamer is ideal for finishing holes in various materials, including metals and plastics. Constructed from high-speed steel, it ensures durability and reliable performance. This tool is perfect for machinists and engineers, providing a high-quality finish in demanding applications. Its compatibility with standard reaming machines makes it an essential addition to any workshop.