The P&N HSS Countersink & Deburring Tool Set, 5 Pieces (166044678) is a high-quality set designed for industrial CNC, metalworking, and manufacturing applications. Manufactured by P&N, this set includes 5 pieces of countersink and deburring tools, making it a versatile and essential addition to any metalworking workspace. With the ability to effortlessly deburr and countersink materials, this set is sure to increase efficiency and precision in your projects.