The Ridgid 500A 1-1/2” Quick-Opening Mono Die Head is a high-quality pipe threading tool designed for use with NPT threads. This die head, suitable for the Ridgid 300 and 535 models, includes a pipe die attachment for efficient and precise cutting of pipe. With the trusted RIDGID brand and durable construction, this tool is ideal for professionals in the plumbing and industrial sectors who require reliable and accurate pipe threading capabilities.