Unleash the potential of your pipe threading projects with the RIDGID 500B Universal High Speed Bolt Dies, featuring the Line Insert 1, 2, 3, and 4. These durable dies are designed to provide precision and efficiency, ensuring perfect threading on a variety of pipe materials. Whether you're a professional or a DIY enthusiast, these dies are an essential addition to your tool collection. The set's compatibility with the RIDGID brand ensures a seamless fit for your 500B die threader, maximizing torque transfer and die life. With no UPC or MPN to tie them down, these dies stand on their own merit, boasting a robust design and a commitment to craftsmanship that's synonymous with the RIDGID name.