Usage Tips:Versatile application: This manual lever pipe tube expander set includes three different sized dies covering 10 to 42 mm, making it suitable for expanding typeA PEX tubes for plumbing, HVAC and heating installations, providing a general solution for creating long lasting connections. Effortless operation: Featuring a labor saving lever design, this tool allows you to quickly select the appropriate expander head and expand tubes with minimal effort, streamlining your workflow and saving time on the job. Suitable for automotive maintenance and general repairs. Ergonomic comfort: Designed with an ergonomic long lever handle, this pipe tube expander ensures a comfortable grip and reduces hand fatigue during prolonged use, enabling efficient operation in demanding environments without discomfort. Long lasting construction: Crafted from aluminum alloy, this plumbing tool is wear resistant and performs well under pressure, guaranteeing reliable performance for copper pipe work and air conditioner installations. Specifications and compatibility: Die set covers 10–42 mm and is designed for expanding typeA PEX tubes. Use scenarios: Expanding typeA PEX tubes for residential or commercial plumbing and HVAC installations. Copper pipe work and air conditioner installations requiring dependable tube expansion. Automotive maintenance and general repairs that involve tube expansion and fitting work.