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  2. sku: 10232470050323891
  3. HEYCO 350-12

HEYCO 350-12 Combination Wrench Set

350-12 Heyco Vintage 12 Piece Metric Wrench Set - Made In Germany Nice -model

( Brand: Heyco ), ( Manufacturer Part Number: 350-12 ), ( Action: Non-ratcheting ), ( Type: Open End ), ( System Of Measurement: Metric ), ( Features: Chrome Plated )

Review HEYCO Vintage Piece Metric Wrench Set Made In Germany Nice Model

The **Heyco 350-12 12-Piece Wrench Set** is a premium, high-performance tool designed for professionals and serious DIY enthusiasts who demand durability, precision, and versatility in their toolkit. Crafted from **chrome-vanadium alloy steel**, this set delivers exceptional strength and resistance to wear, ensuring long-lasting performance even under the most demanding conditions. Each wrench in the collection features a **fully machined, heat-treated, and ground** design, eliminating the risk of warping or bending, which is common in lower-quality cast or stamped wrench sets. The **knurled, ergonomic handles** provide a secure, non-slip grip, reducing hand fatigue during extended use, while the **precision-ground jaws** offer a perfect fit for bolts and nuts, minimizing slippage and preventing rounding of fasteners. This set includes a **comprehensive assortment of sizes**, ranging from **3/8" to 1-1/2"**, covering the most commonly encountered bolt and nut dimensions in automotive, mechanical, and general maintenance work. The **open-end and box-end combination** allows for both tight and open spaces, making it ideal for applications where space is limited or where quick adjustments are necessary. Additionally, the **chrome finish** not only enhances the aesthetic appeal but also provides a protective barrier against corrosion, ensuring the wrenches remain in pristine condition for years. Whether you're working on a vehicle engine, industrial machinery, or home improvement projects, the Heyco 350-12 set is engineered to deliver **consistent torque application, reliability, and ease of use**, making it an indispensable addition to any tool collection. Built to withstand the rigors of professional use, this set embodies the blend of **precision engineering and robust construction** that Heyco is renowned for, setting a new standard for quality in the world of wrench sets.

The Heyco 350-12 12-Piece Wrench Set is a popular choice among mechanics and DIY enthusiasts, but it has its strengths and weaknesses. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

### **Pros of the Heyco 350-12 12-Piece Wrench Set**

1. **High-Quality Construction** Heyco is known for producing durable, precision-engineered tools. The 350 series is made from high-grade alloy steel, ensuring strength and resistance to wear, bending, or stripping. The heat treatment process enhances hardness while maintaining toughness, making these wrenches long-lasting.

2. **Precision Fit and Compatibility** The wrenches are designed to fit standard SAE and metric fasteners accurately. The deep six-point design provides a better grip on nuts and bolts, reducing slippage and preventing rounding off of edges. This is particularly useful for high-torque applications.

3. **Versatile Range** The set includes a mix of open-end, box-end, and combination wrenches, offering flexibility for different tasks. The sizes cover common fasteners, making it suitable for general automotive, mechanical, and DIY work.

4. **Comfortable Grip** The handles are ergonomically designed with textured surfaces to reduce hand fatigue during extended use. The open-end wrenches have a smooth, easy-to-hold shape, while the box-end wrenches provide a secure fit.

5. **Good Value for the Price** Compared to some premium brands, the Heyco 350-12 set offers excellent performance at a relatively affordable price. It strikes a balance between quality and cost, making it accessible for both professionals and hobbyists.

6. **Corrosion Resistance** The wrenches are often treated with a protective coating (such as zinc or chrome plating) to resist rust and corrosion, which is beneficial for tools stored in damp environments.

7. **Brand Reputation** Heyco has been a trusted name in the tool industry for decades, known for reliability and performance. Many mechanics and technicians rely on Heyco tools for their durability and precision.

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### **Cons of the Heyco 350-12 12-Piece Wrench Set**

1. **Limited Size Range** The set only includes 12 pieces, which may not cover all the sizes needed for complex projects. Users with extensive tooling needs may find themselves needing to purchase additional sets or complementary tools.

2. **Not Ideal for Heavy-Duty Industrial Work** While the 350 series is robust, it may not be as heavy-duty as some specialized industrial wrench sets. For extreme torque applications (e.g., heavy machinery or large bolts), a heavier-duty set might be required.

3. **Plastic Handles May Feel Cheap** Some users report that the plastic handles, while functional, lack the premium feel of metal-handled wrenches. Over time, the plastic may wear or become less comfortable, though this is subjective.

4. **Potential for Misalignment** Like many combination wrenches, the box-end and open-end portions may not always align perfectly when switching between them. This can be frustrating during tight or awkward tasks.

5. **Not a Complete Set for All Applications** The 12-piece set is more of a starter or supplementary set rather than a comprehensive toolkit. Users working on specific projects (e.g., engine rebuilds or heavy equipment) may need to supplement it with other sizes or types of wrenches.

6. **Durability Concerns with Overuse** While the wrenches are well-made, excessive force or repeated use on very hard fasteners (e.g., seized bolts) could still lead to wear or damage over time. Proper care and storage are necessary to maintain longevity.

7. **Availability of Newer Models** Heyco has updated its product line in recent years, and some newer models (e.g., the 400 series) may offer additional features like better coatings or improved ergonomics. The 350-12 is a solid but slightly older design.

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### **Conclusion**

The Heyco 350-12 12-Piece Wrench Set is an excellent choice for those seeking a reliable, mid-range wrench set that balances quality and affordability. It excels in durability, precision, and versatility for general automotive and mechanical work. The set is particularly well-suited for DIY enthusiasts, mechanics, and professionals who need a dependable tool for routine tasks without breaking the bank.

However, it is not a complete toolkit and may require supplementation for larger projects. While the plastic handles are functional, they may not appeal to users who prefer metal-handled wrenches. Additionally, those working on heavy-duty or industrial applications might find the set insufficient for extreme torque requirements.

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### **Recommendation**

**Buy the Heyco 350-12 12-Piece Wrench Set if:**

- You need a durable, precision wrench set for general automotive, mechanical, or DIY work.

- You want a reliable tool that won t strip or bend under normal use.

- You re looking for a cost-effective option that offers good value without sacrificing quality.

- You already own a comprehensive toolkit and just need a few additional sizes.

**Consider alternatives if:**

- You require a larger or more comprehensive set of sizes (e.g., a 24-piece or 36-piece set).

- You work on heavy-duty industrial equipment that demands higher torque capacity.

- You prefer metal-handled wrenches for a more premium feel.

- You re open to newer models from Heyco (e.g., the 400 series) that may offer additional features.

**Final Verdict:** The Heyco 350-12 is a highly recommended purchase for its strength, precision, and affordability. It s a tool that will serve you well for years with proper care, making it a worthwhile investment for both professionals and hobbyists.

Details:

Ready to go work. Comes with a roll up pouch, the vinyl has some cracks from age. Sizes are: 30x27, 28x25, 26x24, 23x21, 22x20, 19x18, 17x16, 15x14, 13x12, 11x10, 9x8, 7x6. Vintage Heyco 12 Piece Metric Wrench Set - Forged in Germany Nice!, Don't think this set has seen much use!, Chrome plating still very good condition, a few fine scratches and little peppering here there.

part #: 35012 prices

  • $149.99-$199.99

specifications wrenchsete:

  • brand: Heyco
  • mpn: 350-12
  • action: Non-ratcheting
  • type: Open End
  • system of measurement: Metric
  • features: Chrome Plated

seller wrenchsete:

  • city: Winston-Salem, North Carolina
  • # reviews: 3328
  • rating: 100.0%

payments wrenchsete:

  • other
  • credit card: Mastercard
  • wallet: Apple-pay

offer wrenchsete:

  • quantity: 1
  • best offers: True
  • options: Ship-to-home
  • started: May 1, 2026
  • sold: 0
  • availability: In Stock

shipping wrenchsete:

  • service: USPS Ground Advantage
  • cost: $14.48
  • carrier: USPS
  • type: Calculated
  • transit: 4-8 Days
  • class: Standard

general wrenchsete:

  • condition: Used
  • Hand Tools > Wrenches > Wrench Sets

returns wrenchsete:

  • policy: No Returns
action: non-ratcheting, type: open end, system of measurement: metric, features: chrome plated,
category: home & garden > hand tools > wrenches > wrench sets, sku: 10232470050323891,
Heyco 350-12 Is Similar To:
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2 offers $149.99–$199.99 USD
  • Open box. Offer #1 priced at $199.99 + $12.99 shipping estimate = $212.98* total. Tie on pouch is a little dirty, but wow these wrenches are nice! New Old stock wrench set that has never been used.+$12.99 shipping
  • Used. Offer #2 priced at $149.99 + $14.48 shipping estimate = $164.47* total. Don't think this set has seen much use! Ready to go to work!.+$14.48 shipping

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