The APT Tri-Dex Indexable End Mill EM175-1 is a high-quality, square end mill designed for precision metalworking. With a shank diameter of 3/4 inch and a mill diameter of 1.25 inches, this 2-flute end mill is perfect for finishing various types of materials. The indexable design allows for easy replacement of the cutting inserts, ensuring long-lasting and efficient performance. The APT brand is known for producing reliable and durable tools for the CNC, metalworking, and manufacturing industries.