Widely application: The flare tool apply to 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 5/8", 3/4" O.D. tubing. - Common Swage Fittings: Swage fittings are used to 3/16", 1/4", 5/16", 3/8", 1/2", 5/8",3/4" O.D. tubing, a very practical swaging tool kit.
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