The OVER/UNDER SIZES CHK RMR SET from Field Tool Supply is a comprehensive reamer set designed for precision hole sizing. This set includes various reamers that accommodate both over and under sizes, making it versatile for different applications. Each reamer is crafted from high-speed steel, ensuring durability and resistance to wear. The set is ideal for use in machining, fabrication, and maintenance tasks, providing the flexibility needed for various projects. With precise dimensions and a reliable design, this reamer set is essential for achieving accurate hole sizes in metal and plastic materials.