The 1-1/4 CHK REAMER RHS SS HS by Field Tool Supply is a robust reaming tool designed for precision finishing. Constructed from high-speed steel (HSS), this reamer ensures durability and resistance to wear. With a 1-1/4 inch diameter, it is perfect for enlarging existing holes to exact specifications. The right-hand spiral design facilitates efficient chip removal, making it ideal for use in stainless steel and other tough materials. This tool is essential for machinists and fabricators looking for accuracy and reliability in their projects.