These inverted flare hex head block off fittings from Aeroflow are most commonly used for brake or fuel line repair or installations. They are perfect for preventing leaks and keeping unwanted contaminants and debris from exposed ports and lines.

Also, a great option when blocking off brake master cylinders in our range or various other brake system components they require the inverted flare to seal it up. Made from 304 stainless steel for long-lasting durability in brake fluid.

Sold individually in either 1/2"-20 or 9/16"-18 thread.