1. Versatile Applications: Our Copper Tube Expander, the CT-300A, is a manual hydraulic tool designed for refriration maintenance. It provides an expanded diameter ran of 10mm to 28mm (3/8" to 1-1/8") in both metric and measurements. This makes it suitable for a wide ran of applications in various industries. 2. Precise and Efficient: With its high-quality 45# material construction, our tube expander ensures durability and reliability in every use. The hydraulic mechanism allows for precise expansion, ensuring a tight and secure fit every time. This not only saves time but also improves overall efficiency in your maintenance tasks. 3. Easy to Use: The CT-300A is a user-friendly tool that requires no additional power source. Its manual operation allows for easy handling and control, making it suitable for both professionals and DIY enthusiasts. Simply insert the tube into the expander and apply pressure, and you'll achieve the desired expansion effortlessly. 4. Professional Maintenance Tool: As a seasoned seller, we understand the importance of providing professional-grade tools to our customers. The CT-300A tube expander is specifically designed for refriration maintenance, making it an essential tool for HVAC technicians, plumbers, and contractors. It helps streamline repair and installation tasks, ensuring optimal performance and lonvity of your systems. 5. Reliable Performance: Weighing at 5000g, our Copper Tube Expander is built to withstand heavy-duty usa without compromising on performance. Its robust construction and ergonomic design guarantee long-lasting durability, allowing you to rely on this tool for all your tube expansion needs. Invest in our CT-300A and experience the difference it makes in your maintenance projects., Manufacturer: DRAUXI