The Ridgid 47780 set of high-speed universal pipe dies features a right-hand thread direction and includes 4 parts for attachment. With a thread size ranging from 1/4" to 3/8" NPT, this die set is specifically designed for use in the United States. Ideal for pipe threaders, taps, and dies, this durable and reliable tool from RIDGID is perfect for various industrial applications requiring precise and efficient pipe threading.