The 0.3850 CHK Reamer by Field Tool Supply is crafted from high-speed steel (HSS) for optimal performance in precision reaming tasks. This USA-made tool features a straight flute design, which enhances chip removal and provides a clean finish. With a diameter of 0.3850 inches, it is suitable for various materials, including metals and plastics. The stainless steel construction ensures durability and resistance to corrosion, making it ideal for both industrial and DIY applications. This reamer adheres to strict quality standards, ensuring reliability and efficiency in your projects.