This Widia GTD straight flute hand tap is a high-quality cutting tool that is perfect for use in metalworking applications. With a thread size of 1 3/8 inches and a length of 6inches, this tap is designed to provide precision and consistency when cutting through materials. Made in the US and crafted with attention to detail, this tap features a straight flute design with 4 flutes, ensuring maximum performance and durability. Whether you're a professional in the metalworking industry or a hobbyist, this Widia GTD straight flute hand tap is a must-have addition to your tool collection.