The 1-1/2 4MT CHK REAMER SF HS from Field Tool Supply is a precision reamer made from high-speed steel (HSS) for durability and performance. Designed with a 4MT shank, it is compatible with a variety of machines, making it versatile for different applications. This reamer features a straight flute design, ensuring efficient chip removal and smooth operation. Ideal for metalworking, it provides a clean finish and accurate dimensions, meeting industry standards for quality. This tool is essential for machinists seeking to improve their hole-making accuracy and efficiency.