The 0.3865 CHK Reamer by Field Tool Supply is engineered for high-performance reaming in stainless steel and other tough materials. This high-speed steel (HS) tool measures 0.3865 inches, making it perfect for achieving precise hole dimensions. Its sturdy design ensures it withstands rigorous use, providing consistent results in both professional and home settings. The reamer's finish enhances its durability, making it resistant to wear. This tool meets industry standards, ensuring it is suitable for a variety of applications, from machining to fabrication.