The 0.4400" CHK Reamer SF SS HS from Field Tool Supply is a high-speed steel reamer designed for precision hole enlargement in stainless steel applications. With a diameter of 0.4400", this reamer is perfect for achieving exact hole sizes with a smooth finish. Its high-speed steel construction ensures durability and resistance to wear, making it suitable for both industrial and DIY projects. The reamer's design allows for efficient chip removal, reducing the risk of clogging during use. Compatible with standard reaming tools, this reamer is an essential addition to any machinist's toolkit, providing reliability and performance in every application.