General Non-powered Hand Tools | Hand tool kits:

DOUBLE FLARING TOOL- FTD350A:3/16，1/4，5/16，3/8 OR FTD350M: 4.75, 5, 6 mm Characteristic：Apply to high precision metal and stainless tube flaring. ...

Specification：CAPACITY: 3/4" - 4 3/4"