Tool 3/8" - 4LifetimeLines LTCF-METRIC

Tool 3/8" - 4LifetimeLines LTCF-METRIC

Tool 3/8" - 4LifetimeLines LTCF-METRIC

Tool 3/8" - 4LifetimeLines LTCF-METRIC

Tool 3/8" - 4LifetimeLines LTCF-METRIC

Tool 3/8" - 4LifetimeLines LTCF-METRIC

Tool 3/8" - 4LifetimeLines LTCF-METRIC

Tool 3/8" - 4LifetimeLines LTCF-METRIC

Tool 3/8" - 4LifetimeLines LTCF-METRIC

Tool 3/8" - 4LifetimeLines LTCF-METRIC

Crowfoot Flare Nut Wrench Set | 3/8" Drive | 6-Piece Metric (10–17mm)

$54.99 ~~$59.99~~ 8% Off, Save $5

SKU: LTCF-METRIC

Crowfoot Flare Nut Wrench Set — 3/8" Drive, 6-Piece Metric

A crowfoot wrench is an open-ended wrench head with no handle — it mounts on a 3/8" ratchet, extension, or torque wrench, letting you reach flare nuts buried behind lines, brackets, and firewalls where a standard wrench can't swing. This 6-piece metric set covers the flare-nut sizes you'll actually meet on brake, fuel, air, and hydraulic lines: 10mm, 12mm, 13mm, 14mm, 15mm, and 17mm.

Built for Torque-Wrench Accuracy

The classic crowfoot use case: torquing flare nuts to spec. Mount the crowfoot 90° to your torque wrench handle and the effective length doesn't change — so the reading stays true. The flare-nut profile grips five flats instead of two, protecting soft brass and rusted fittings from rounding.

Adjustable, Low-Profile Head

A 200-degree folding head articulates to keep the drive square when there's barely room to work. The set ships on a 3/8" storage rail so the right size is always at hand.

Durable Chrome Vanadium Steel

Forged from chrome vanadium alloy steel for grip, traction, and years of shop abuse — not the finicky material that falls apart after a few uses.

Lifetime Warranty

Like every 4LifetimeLines tool, this set is guaranteed for life. If it ever fails, our customer service team will make it right.

FAQ

Can you use a crowfoot wrench with a torque wrench?

Yes — that's what they're made for. Set the crowfoot 90° to the torque wrench handle so the effective length (and your torque reading) stays accurate.

Crowfoot wrench vs. line wrench — which do I need?

A line wrench for hand work and breaking fittings loose; a crowfoot when you need ratchet access or a torque wrench on the nut. Most techs carry both.

Need SAE sizes?

See the matching 6-piece SAE crowfoot set (3/8"–3/4").

Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

Lifetime Quality, Covered — for Life

Zero Risk, Maximum Confidence

Built to Endure. Guaranteed to Perform.

One-Time Purchase. Lifetime Assurance.

FREE SHIPPING

Spend $50. We Cover the Rest.

Built to Endure

BUILT TO ENDURE

No Weak Points. No Compromises.

Lifetime Warranty

LIFETIME WARRANTY

One Purchase. Lifetime Coverage.

TRADE FRIENDLY

Tax-Exempt Pricing for Qualified Buyers

The 4Lifetime Difference

Engineered to Last. Backed for Life.

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Engineered to Last. Backed for Life.

When we say lifetime warranty, we mean it. Our products are built to endure & we stand behind them.

No Corners Cut. Ever.

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No Corners Cut. Ever.

Quality materials. Proven craftsmanship.
Built with materials and workmanship we trust. No shortcuts.

A Smart, Risk-Free Buy

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A Smart, Risk-Free Buy

Buy once. Be done.
This isn’t a temporary fix — it’s a long-term solution. Built-in confidence. Zero guesswork.

Straightforward. No Fine Print.

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Straightforward. No Fine Print.

What you see is what you get.
Clear terms. Honest coverage. No hidden clauses. No loopholes. No runaround.

Backed for the Long Haul

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Backed for the Long Haul

We stand behind every product.
As long as you own it, we’ve got your back.

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Meets SAE / OE specifications

Easy returns — no restocking games

Same-day shipping (order by 2 PM ET)

Lifetime warranty on every product

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Great Experience

Great received day early good product this is 3rd time doing business with 4LifetimeLines

Happy Customer

Great product!! I’ve ordered these before and they are great quality! I’ll be back again.

Excellent

Excellent product shipped quickly and inexpensively. I will be ordering again.

Ideal Products

Ideal stuff for fabricating brake lines brake lines at a very good price.Kit very well covers the materials for doing the whole brake line system.

Reasonable price and fast shipping!

I'll be back again!

Great Seller!

Great seller to deal with. Fast shipping and great products.

Great products, competitive prices, and fast shipping. Communication is also top notch.

This was my first purchase and the experience has been fantastic. Great products, competitive prices, and fast shipping. Communication is also top notch.

Great products, competitive prices, and fast shipping.

This was my first purchase and the experience has been fantastic. Great products, competitive prices, and fast shipping. Communication is also top notch.