HINGE SPRING DESIGNManual Copper Pipe Tube Expander With hinge and spring design, which can avoid the swing of the handle, ensuring stable operation. Convenient and light, make it work more effecient. WIDE COMPATIBILITYAIR CONDITIONAL Expanding Tool is widely used in the maintenance of refrigerators, air conditioners, freezers, and other refrigeration equipments. DURABLE MATERIALPipe Tube Expander Made of heavy-duty stainless steel and copper materials, solid and sturdy, durable and long life to use. ApplicationTube Expander Apply for refrigeration copper pipe, tube, cannot be used for expanding stainless steel tube. HANDHELD REFRIGERATION TOOLUniversal Hand Refrigeration Tools with Hinge Designed, which can avoid swing of handle, ensuring stable operation. Specification: Material: Alloy Size Chart: 15.5cmx15.3cm/6.10inchx6.02inch Package Includes: 1x Tube Expander Note: Please allow slightly errors due to manual measurement and different monitors.