We researched and compared the top brake flare tools on the market, evaluating manufacturer specifications, published industry standards (SAE, ISO), and aggregated owner feedback from thousands of users. Our goal is to help you choose the right tool for making reliable, leak-free flares on steel, stainless steel, and nickel-copper brake lines.
Whether you need a simple handheld tool for occasional repairs or a professional-grade hydraulic unit for frequent use, we have identified the strengths and limitations of each option so you can make an informed decision.
| Photo | Product | Score | Buy |
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Ridgid 345 Deluxe Flaring Tool Best Overall Single-flare and double-flare kit for 3/16, 1/4, 5/16, 3/8, and 1/2 inch tubing |
9.2 | 🛒 Check Price |
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Mastercool 71475 Hydraulic Flaring Tool Best Hydraulic Hydraulic system for 3/16, 1/4, 5/16, 3/8 inch tubing; produces SAE and bubble flares |
9.0 | 🛒 Check Price |
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Eastwood Professional Brake Flaring Tool Best Value Double and bubble flare kit for 3/16, 1/4, 5/16 inch tubing |
8.7 | 🛒 Check Price |
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OEMTOOLS 25033 Flaring Tool Budget Pick Double flare tool for 3/16, 1/4, 5/16 inch tubing; includes tubing cutter |
8.1 | 🛒 Check Price |
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Titan 11521 Flaring Tool Compact Choice Double flaring tool for 3/16, 1/4, 5/16 inch tubing; small form factor |
7.8 | 🛒 Check Price |
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Performance Tool W80422 Flaring Tool Entry Level Double flare kit for 3/16, 1/4, 5/16 inch tubing; includes carrying case |
7.3 | 🛒 Check Price |
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CTA Manufacturing 1075 Flaring Tool Basic Manual Single and double flare tool for 3/16, 1/4, 5/16 inch tubing; no cutter included |
7.0 | 🛒 Check Price |
1. Ridgid 345 Deluxe Flaring Tool: Best Overall
The Ridgid 345 is a benchmark for brake flare tools. In our evaluation of spec sheets and owner feedback, it consistently produces perfect double flares on the first attempt. The hardened steel dies resist wear, and the integrated cutter and deburrer add convenience. However, its weight and size make it less portable, and the handle requires significant force for stainless steel.
If you primarily work on stainless steel lines or need a tool that will last a lifetime, this is a top choice. For those who only do occasional repairs on soft nickel-copper tubing, a simpler tool may suffice and save money.
- Hardened steel dies for consistent, leak-free double flares
- Built-in tubing cutter and deburring tool
- Includes adapter for metric bubble flares
Pros: Extremely durable construction with precise flare cones; Works on steel, stainless steel, and nickel-copper lines
Cons: Heavy and bulky; not ideal for tight engine bay spaces
2. Mastercool 71475 Hydraulic Flaring Tool: Best Hydraulic
The Mastercool 71475 is a hydraulic flaring tool that we found highly praised in professional forums for its ease of use and consistent results. Based on manufacturer specs, it applies even pressure, reducing the risk of cracked flares. The hydraulic mechanism is a game-changer for those with limited hand strength or who do many flares.
That said, its price point is steep, and the tool is larger than manual alternatives. If you are a weekend DIYer who flares a line once a year, the investment may not be justified. For shop use or frequent restorations, it is hard to beat.
- Hydraulic ram eliminates hammering or heavy squeezing
- Quick-change die holders for multiple flare types
- Includes both 45-degree and 37-degree flare dies
Pros: Effortless operation; makes perfect flares with minimal force; Excellent for stainless steel lines
Cons: High initial cost; overkill for occasional use
3. Eastwood Professional Brake Flaring Tool: Best Value
The Eastwood Professional Brake Flaring Tool offers a strong value proposition. In our comparison of owner reviews, it delivers reliable double flares without breaking the bank. The swivel handle allows access in cramped areas, and the included adapters cover common flare types. However, some users reported that repeated use on stainless steel caused die wear over time.
If you work mainly with nickel-copper or mild steel lines and want a tool that won’t empty your wallet, this is a solid pick. For heavy-duty stainless steel work, consider a hydraulic or higher-end manual tool.
- Compact design with swivel handle for tight spaces
- Includes both 45-degree and bubble flare adapters
- Solid steel construction with hardened dies
Pros: Good balance of affordability and performance; Works well on nickel-copper and steel lines
Cons: Dies may wear faster than premium brands on stainless steel
4. OEMTOOLS 25033 Flaring Tool: Budget Pick
The OEMTOOLS 25033 is a budget-friendly option that we found adequate for occasional brake line repairs. Based on owner feedback, it produces acceptable flares on soft nickel-copper tubing with careful technique. The included cutter is basic but functional. However, the clamping mechanism may require repeated adjustments to prevent the tube from slipping during flaring.
If you need a tool for a one-off job or as a backup, this will get the job done. For regular use or stainless steel lines, we recommend investing in a higher-quality tool to avoid frustration and potential leaks.
- Cost-effective kit for occasional repairs
- Simple clamp and screw mechanism
- Includes a basic tubing cutter
Pros: Very affordable; good for emergency or one-time use; Lightweight and easy to store
Cons: Clamp can slip if not tightened sufficiently; Not recommended for stainless steel or high-volume use
5. Titan 11521 Flaring Tool: Compact Choice
The Titan 11521 is a compact flare tool that we found suitable for small jobs and tight engine bays. Its lightweight construction makes it easy to handle, but the screw clamp may not hold tubing as securely as more robust designs. Owner reviews indicate that it works best on nickel-copper lines; stainless steel can be problematic.
If you need a tool for occasional repairs on soft tubing and space is a premium, this is a reasonable choice. For frequent or heavy-duty work, look for a sturdier option.
- Compact and lightweight design
- Screw-type clamp with wing nut
- Includes three die sizes
Pros: Easy to use in tight spaces; Good for occasional DIY use
Cons: Less durable than professional-grade tools; May not create consistent flares on thicker tubing
6. Performance Tool W80422 Flaring Tool: Entry Level
The Performance Tool W80422 is an entry-level flare tool that we found best suited for absolute beginners or emergency use. It can create a functional double flare on soft tubing, but consistency is a challenge. The plastic case is a nice touch, but the tool’s construction quality is noticeably lower than mid-range options.
If you are on a tight budget and only need to flare a single line, this might work. However, we recommend spending a bit more for a tool that will produce reliable, leak-free flares and last longer.
- Very low cost entry-level kit
- Comes with a plastic storage case
- Basic design with wing nut clamp
Pros: Extremely affordable; Good for learning how to flare
Cons: Prone to producing uneven flares; Clamp and dies may deform over time
7. CTA Manufacturing 1075 Flaring Tool: Basic Manual
The CTA Manufacturing 1075 is the most basic flare tool we evaluated. It lacks a tubing cutter and deburrer, and the clamp relies on a simple screw mechanism. Owner feedback suggests that achieving a perfect flare requires significant practice and patience. The tool may suffice for a single emergency flare, but it is not built for repeated use.
We recommend this only for those who already own a cutter and deburrer and need an ultra-budget option for a one-time job. For any serious brake work, invest in a better tool to ensure safety and reliability.
- Simple two-piece design
- Works for single and double flares
- No additional accessories
Pros: Very simple operation; Lowest cost option
Cons: Limited die sizes; no bubble flare capability; Inconsistent results without careful technique
Frequently Asked Questions
What types of flares do brake lines use?
Most automotive brake systems use a 45-degree double flare (SAE) or a bubble flare (ISO/DIN). Some applications use a 37-degree flare (AN/JIC). Ensure your tool supports the flare type required for your vehicle. Many modern tools include adapters for both SAE and bubble flares.
Can I use a brake flare tool on stainless steel tubing?
Yes, but stainless steel is harder and more prone to cracking. Manual tools require more force, and the dies must be high quality to avoid galling. Hydraulic tools like the Mastercool 71475 are ideal for stainless steel. Some manual tools, like the Ridgid 345, work well but require careful technique.
What size tubing do most brake flare tools support?
Common sizes are 3/16 inch (most passenger cars), 1/4 inch, and 5/16 inch (larger trucks). Many kits include dies for these sizes. Always check the tool specifications to ensure compatibility with your brake line diameter.
Do I need a tubing cutter and deburrer for flaring?
Yes, a clean, square cut and deburred end are essential for a leak-free flare. Some flare tools include a cutter and deburrer; if not, you will need to purchase them separately. A poor cut is a common cause of flare failure.
How do I maintain my brake flare tool?
Keep dies and clamping surfaces clean and lightly oiled to prevent rust. Store in a dry place. Avoid using on dirty or rusty tubing, as debris can damage dies. Replace worn dies to maintain flare quality.
Our Verdict
After researching and comparing specifications, industry standards, and owner feedback, our top pick is the Ridgid 345 Deluxe Flaring Tool for its exceptional durability and consistent double flares across various tubing materials. For those who frequently work with stainless steel or need effortless operation, the Mastercool 71475 Hydraulic Flaring Tool is an excellent runner-up that justifies its higher cost with superior ease of use.
