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OTC 4503 Stinger Double Flaring Tool Kit

by OTC
4.2 out of 5 stars 102 customer reviews

List Price: $39.95
Price: $35.41 & FREE Shipping. Details
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  • Designed for double or single flare in copper aluminum soft steel brake line and brass tubing
  • Chrome swivel is made of alloy steel and reduces friction
  • Forged yoke is made of heat-treated steel
  • Includes five adapters covering 3/16 inch through 1/2 inch and 4.8 mm through 12.7 mm
  • Housed in a blow-molded storage case
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34 new from $23.08 1 used from $28.33
$35.41 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

  • OTC 4503 Stinger Double Flaring Tool Kit
  • +
  • Ridgid 32975 1/8-Inch to 5/8-Inch Close Quarters Tubing Cutter
  • +
  • TEKTON 6519 Three-Size Tubing Bender
Total price: $58.75
Buy the selected items together

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Product Information

Technical Details

Brand OTC
Item Weight 2.6 pounds
Product Dimensions 9.9 x 6.3 x 2.2 inches
Origin Taiwan
Item model number 4503
Exterior Smooth
Manufacturer Part Number 4503

Additional Information

ASIN B000L7QZ0Q
Customer Reviews
4.2 out of 5 stars 102 customer reviews

4.2 out of 5 stars
Best Sellers Rank #6,397 in Automotive (See top 100)
#1 in Automotive > Tools & Equipment > Brake Repair Tools > Brake Flaring Tools
Shipping Weight 2.5 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available July 7, 2004

Warranty & Support

Warranty, Parts:Parts
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Product Description

The OTC Stinger double flaring toll is designed for double or single flare in copper, aluminum, soft steel brake line, and brass tubing (to 45 degrees). The chrome swivel is made of alloy steel which reduces friction and the forged yoke is made of heat-treated steel for long life and durability. The kit comes with five adapters covering sizes from 3/16 inch through 1/2 inch and 4.8 millimeters through 12.7 millimeters and a blow-molded storage case.

Customer Reviews

Top Customer Reviews

Verified Purchase
This is a well made, easy to use tool that produces great results. It's made by OTC so it is tough, and will last a lifetime if used properly. I bought a small reamer with a short handle on it, and it fit in the case like it was part of it just under the clamp bar.
If you properly cut, set and ream the tubing as well as use a few drops of oil on the dies and the point of the flaring tool it will work perfectly and for quite a long time.
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Verified Purchase
I have used flaring tools on plumbing, but never attempted a double flare. Needed this while replacing brake line on vehicle. This kit provided the proper size i needed and others as well. directions were straightforward and easy to understand and finished my brake replacement with ease.

I suggest this kit to anyone doing double flares.
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Verified Purchase
i bought this kit becuase the OEM brand tool i bought from autozone broke in half. the clamp broke.

ussually i am very impressed with OTC's tools and i do own many of them. but this one is not that great.

the first flare i went to make the swivel on the screw started to bend and was instantly ruined/warped making it impossible to make a clean, usable, double flare. also it was not easy to use at all as it does not have a bolt head on it but rather it has the little puny sliding metal bar. i would much rather use a socket and wrench than my hand.

so needless to say i have a full kit by using the autozone yoke/swivel and the otc clamp and fittings. all fit inside the otc case so i am happy to at least have a full kit. but the price i payed for this kit and the other kit i could have just invested in a snap-on or craftsman kit.

very dissapointed. only given two stars becuase the case is nice and i was able to complete the kit with the pieces from the other broken kit.

my reccomendation: go buy an expensive one, it will last you forever
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Verified Purchase
The tools works ok but if you are not careful the compression device will slip off the holding frame. It takes some practice to use correctly. I would advise doing some "dry runs" on pieces of scrap tubing before using it on something that would be inconvenient to replace. A fair value for the occassional user.
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Verified Purchase
after doing half the lines for my 72 Chevelle it became apparent that shaft that goes into the line on the smallest die used for the first step in the procedure was too small in diameter allowing the flare to occationally be slightly offset. i went to the local auto-zone and purchased a similar kit for 37 bucks and finished the velle and have now done a truck with that kit. I'll try to get some of my money back by selling this one off, sans the smallest die.
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Verified Purchase
the clamp had sharp burrs on the edges which had to be filed off to prevent damaging the tubes. The handle can slide out during use so you have to add some tape to the end of the handle to keep it from sliding out. Overall, the product works but the design is only OK. The key tricks are to carefully clean up the end of tube - sand square and clean the edges. Next, apply some oil to the end before beginning the flaring.
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Verified Purchase
I was not able to get one flare out of this product; the main shaft bend and the 3/16 mandrel broke off on the first attempt; I am always very careful with my tools; I purchased the OTC ISO Bubble flaring tool - works perfect and is recommended.
Amazon's return process is awesome.
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By Mike on April 18, 2011
Verified Purchase
This is the first flaring tool I've used. I had to look on YouTube to find out how to flare my brake lines. This tool worked great. I had no problems flaring my break lines. The pieces inside the box don't snap into place so be careful.
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Most Recent Customer Reviews

Want to discover more products? Check out these pages to see more: double/single flare tool, double brake line flare tool, flaring kit, auto mechanic kit, brake flaring kit

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OTC 4503 Stinger Double Flaring Tool Kit
This item: OTC 4503 Stinger Double Flaring Tool Kit
Price: $35.41
Ships from and sold by Amazon.com