The 0.4085" check reamer SF SS HS from Field Tool Supply is engineered for precision reaming in stainless steel and other materials. This tool features a specialized design that ensures smooth cutting and accurate hole dimensions. Constructed from high-speed steel, it offers excellent durability and resistance to wear. The reamer's compact size makes it ideal for tight spaces, while its compatibility with standard drill chucks enhances its versatility. Perfect for professionals in machining and fabrication, this reamer is essential for achieving high-quality results.