WESTWARD 5MR57 Flare Nut Wrench Point 15MM 17MM
( Brand: Westward ), ( Manufacturer Part Number: 5MR57 ), ( Assortment: Individual Wrench ), ( Type: Flare Nut ), ( Country Of Origin: Taiwan )
Review WESTWARD Flare Nut Wrench 15mm 17mm Point Vintage
The **Westward 5MR57 Flare Nut Wrench** is a precision-engineered, heavy-duty tool designed for professionals who demand reliability and performance in demanding applications, particularly in automotive, plumbing, and HVAC systems. Crafted from high-quality **chrome-vanadium alloy steel**, this wrench features a robust construction that ensures exceptional durability and resistance to wear, making it ideal for frequent use in workshops, service bays, or fieldwork. The **15mm and 17mm flare nut points** are precision-ground to provide a perfect fit for standard flare nuts, ensuring a secure grip without slipping even on stubborn, corroded, or tightly seated connections. The **open-end design** allows for quick and efficient installation or removal of flare nuts, while the **smooth, ergonomic handle** reduces hand fatigue during extended use, offering a comfortable grip for prolonged sessions. The wrench s **chrome-plated surfaces** not only enhance its aesthetic appeal but also provide added corrosion resistance, ensuring longevity even in harsh environments. Whether you're working on brake lines, fuel lines, or refrigerant systems, the **Westward 5MR57** delivers the precision and strength required to tackle the toughest flare nut applications with confidence. Its compact yet sturdy build makes it a versatile addition to any toolkit, ensuring that professionals can rely on it for years of dependable performance.
### **Pros and Cons of buying a Westward 5MR57 Flare Nut Wrench (15mm & 17mm Points)**
#### **Pros:**1. **Versatility** The dual-point design (15mm and 17mm) allows it to fit a wider range of flare nuts commonly found in automotive, plumbing, and HVAC systems, reducing the need for multiple tools.
2. **Durability** Westward is a well-known brand in the tool industry, known for producing high-quality, long-lasting tools. This wrench is likely made from hardened steel, which resists wear and bending.
3. **Ergonomic Handle** The design appears to be comfortable for extended use, reducing hand fatigue compared to some basic wrenches.
4. **Precision Fit** Flare nuts require a specialized tool, and this wrench is specifically designed to grip them securely without slipping, which is critical for safety and efficiency.
5. **Affordable Specialty Tool** Since flare nuts are not standard, a dedicated wrench is often necessary. This tool provides a cost-effective solution compared to buying multiple general-purpose wrenches.
6. **Compatibility** Works well with common flare nut sizes (15mm and 17mm), making it useful for tasks like brake line repairs, fuel line connections, or air conditioning systems.
7. **Easy Storage** Compact and lightweight, it can be stored easily in a toolbox or carried in a pocket for fieldwork.
#### **Cons:**1. **Limited Use Case** Unlike a standard wrench, this tool is only useful for flare nuts. If you don t frequently work with them, the investment may not be justified.
2. **Potential for Misuse** If not used correctly (e.g., applying excessive force or using it on non-flare nuts), the tool could bend or strip the nut.
3. **Brand Variability** While Westward is reputable, quality can vary depending on the specific model and where it was purchased (e.g., budget vs. premium versions).
4. **Replacement Parts** If the tool wears out or breaks, finding exact replacements may be difficult, especially for specialty items like flare nut wrenches.
5. **Not Universal** The 15mm and 17mm points are common, but if you encounter larger or smaller flare nuts, this wrench won t be sufficient.
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### **Conclusion**
The **Westward 5MR57 Flare Nut Wrench** is a practical and reliable tool for anyone who regularly works with flare nuts in automotive, plumbing, or HVAC applications. Its dual-point design makes it a convenient addition to a toolkit, and the brand s reputation ensures durability. However, its niche use means it may not be worth the investment for casual users or those who rarely encounter flare nuts.
If you frequently deal with brake lines, fuel lines, or air conditioning systems, this wrench is a worthwhile purchase. For general handymen or occasional DIYers, it might be more cost-effective to rent or borrow one when needed rather than owning it permanently.
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### **Recommendation**
**Buy it if:**- You work professionally or frequently with flare nuts in automotive, plumbing, or HVAC.
- You value having a dedicated, high-quality tool for specialized tasks.
- You want a durable, ergonomic solution that saves time by eliminating the need for multiple wrenches.
**Skip it if:**- You only encounter flare nuts rarely and don t want to store a specialized tool.
- Your budget is tight, and you can borrow or rent the wrench when needed.
- You primarily work on projects that don t involve flare nuts.
For most homeowners or hobbyists, this wrench is a smart investment if flare nut work is part of your regular toolkit. For professionals, it s an essential addition.
Details:
With a 6 point design and measurements of 15mm x 17mm, this wrench is perfect for various industrial applications. Its hard to tell if this has been used, please see photos close-up. The numbers on the tool indicate: On Westward tools, FNM1517 is pattern/ model code, not a year. FN Flare Nut.
I know its been in his toolbox for quite some time, hes heaven For over 13 years. This item was in my late husbands toolbox, he a millwright, time to find his tools new home. Separately will list a set of three SAE wrenches. The Westward Flare Nut Wrench is a vintage tool designed for removing and tightening flares nuts.
1517 15mm 17mm.
part #: 5mr57 prices
- $8.04-$15.00
specifications wrenchtooliz:
- brand: Westward
- mpn: 5mr57
- assortment: Individual Wrench
- type: Flare Nut
- country of origin: Taiwan
returns wrenchtooliz:
- policy: No Returns
offer wrenchtooliz:
- sold: 0
- availability: In Stock
- started: February 17, 2026
- options: Ship-to-home
- quantity: 1
seller wrenchtooliz:
- # reviews: 1469
- city: Bend, Oregon
- rating: 100.0%
payments wrenchtooliz:
- other
- credit card: Discover
- wallet: Google-pay
shipping wrenchtooliz:
- type: Fixed
- cost: $5.00
- class: Freight
- service: Flat Rate Freight
general wrenchtooliz:
- Light Equipment Tools > Hand Tools > Wrenches
- condition: Used
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