MXBAOHENG Soft Copper Pipe Tube Expander Universal Hand Tool Manual Refrigeration Tube Expander Kit 3/8", 1/2", 5/8", 3/4", 7/8" Simple , effective soft copper pipe expander Expander designed to tubes: 3/8" 1/2" 5/8" 3/4" 7/8" Convenience and light, human body engineering design High carbon steel forging, fixed handle, strong support