This boiler tube expander is a high-quality tool for expanding 38mm tube ID. It is manufactured by PROTECH TOOLS and belongs to their A Series models. The material used for this tool is steel which makes it durable and long-lasting. This tool is perfect for professionals in the HVAC & Refrigeration industry. It falls under the category of Refrigeration Tubing Tools and is also suitable for Business & Industrial purposes. Buy this reliable tube expander from ebay and make your work easier.