The 0.3920 CHK REAMER ST FL SS HS from Field Tool Supply is a high-quality reamer designed for precision machining. Made from stainless steel, this reamer offers durability and resistance to corrosion. With a size of 0.3920 inches, it is ideal for creating smooth, accurate holes in various materials. The straight flute design enhances chip removal, making it suitable for both manual and machine operations. This tool is perfect for professionals in the manufacturing and engineering sectors, ensuring compliance with industry standards.