Holiday Gift Guides / Product Profiles

Tools Under $30 Gift Guide: Flare Nut Wrenches

Flare nut wrenches wrap further around the nut for a better grip. (Image/Summit Racing)

Whether it’s for a holiday or birthday, this Tools Under 30 Dollars Gift Guide Series shows you important, yet somewhat uncommon, tools that any gearhead would want.

Today, let’s talk about Flare Nut Wrenches.


You can find flare nut fittings on brake lines, fuel lines, household plumbing, and plenty of other places. And while you may be tempted to just grab the fittings with a regular wrench, don’t—unless you like rounded nuts.

As opposed to an ordinary wrench made from case-hardened steel, a flare nut wrench is typically made from a softer material to prevent you from damaging the nut. For a better grip, the flare wrench head wraps further around the nut than a traditional wrench too.

Many people, author included, have occasionally lucked out using regular wrenches on flare nuts. But try that on an old, corroded fitting and you’ve punched a one-way ticket to Roundsville (with stops at New Linesburg and Ruined Weekendia).

That’s why these wrenches are must-haves for anyone who works around any sort of plumbing. And these fittings come in a lot of different sizes, metric and standard, so it’s important to use the right one for the job.

A lot of folks don’t know about these tools, so they’re often a smart gift to give and receive. Better still, there’s a good chance you can find a set for under 30 bucks.

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  1. I’d suggest spending more money and buying a full set. Summit offers a Sunnex 16pc sae/metric set for around $70. I have this one in my “road box”. It’s well worth the price because of the variety of sizes.

  2. Pingback: Video: Ensure Leak-Free Flare Fittings in Your Vehicle Plumbing by Inspecting Your Flare Seats First

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