Tube Expander, Tube Flaring Tool, Copper Tube Flaring Tool, Tube Flaring Tool Set with Cutting Blade. Multi-function: flaring + tube expansion. Flaring size: 1/8 ", 3/16" 1/4 ", 5/16" 3/8 ", 7/16" 1/2 ", 5/8", 3/4 ";.
eBay