Compatibility: This hydraulic expander tool kit comes in a variety of expander head sizes so it can accommodate 3/8'', 1/2'', 5/8'', 3/4'', 7/8 '', 1'', 1-1/8'', 1-1/ 4'', 1-3/8'', 1-1/2'', 1-5/8'' pipes. Multiple sizes of extension heads make this tool kit even more adaptable Versatile: The electric swaging tool kit includes everything you need to expand pipes with precision and ease, and the hydraulic pipe expander features a unique gun-shaped design that allows you to operate it with one hand and with ease. Automatic Pressure Relief: The hydraulic expansion head can be quickly installed and removed to ensure seamless operation. The expansion head adopts four threads and a large pitch, which can be firmly locked in just one second and automatically resets after the expansion is completed Efficient: Say goodbye to manual labor and save valuable time and energy with this high-performance tool. One-click functionality ensures simplicity and efficiency in scaling pipelines Wide Applications: With its advanced features, precise performance and user-friendly design, this tool kit is a must-have for professionals and DIY enthusiasts alike, Manufacturer: QYOEGSQ