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Help Center2-Year Warranty Combination Wrench Set, 12-Piece, Metric, Mill Test Report Included, Lifetime Free Replacement Policy
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Premium 12-Piece Metric Combination Wrench Set – Trusted Durability with Lifetime Free Replacement
For over two decades, Cangzhou Dean Safety & Special Tools Co., Ltd has been a leading manufacturer in the tool industry, exporting over 100 million USD annually to markets across North America, South America, Europe, and Asia. Our 12-piece metric combination wrench set is engineered for professionals who demand reliability, precision, and long-term value. Each wrench is forged from premium chrome vanadium steel, heat-treated for maximum strength, and finished with a mirror-polished chrome surface that resists corrosion. We back every set with a 2-year warranty and a lifetime free replacement policy, plus a Mill Test Report included for material traceability. This is not just a tool—it's a long-term investment in your workflow.
Product Features & Benefits
- High-Strength Chrome Vanadium Steel: Each wrench is drop-forged and heat-treated to meet or exceed ANSI/ASTM performance standards, ensuring long-lasting durability under heavy torque loads.
- Full Polished Chrome Finish: The mirror-like surface not only looks professional but also resists rust and is easy to clean after greasy jobs.
- 12-Point Box End: Provides a secure grip on fasteners, reducing rounding and allowing for quick repositioning in tight spaces.
- Offset Box End Design: The 15° offset helps clear knuckles and provides better access to recessed bolts.
- Metric Size Range: 8mm to 19mm: Covers the most common metric fastener sizes used in automotive, machinery, and industrial applications.
- Comfort Grip Handle: The ergonomic beam profile offers a comfortable, non-slip hold even with oily hands.
- Laser-Etched Sizing: Each size is permanently laser-marked for easy identification even after years of use.
Technical Specifications
| Specification | Details |
|---|---|
| Number of Pieces | 12 |
| Size Range (Metric) | 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 mm |
| Material | Chrome Vanadium Steel (CR-V) |
| Finish | Mirror Polished Chrome |
| Head Type | 12-Point Box End + Open End |
| Offset Angle | 15° |
| Hardness | HRC 45-52 (Rockwell) |
| Warranty | 2-Year Warranty + Lifetime Free Replacement |
| Included Documents | Mill Test Report (material composition & hardness test) |
Why Choose Our Wrench Set?
- Lifetime Free Replacement Policy: If any wrench breaks under normal use, we replace it free of charge for life—no questions asked.
- Mill Test Report Included: Every set comes with a certified material test report, ensuring full traceability of the steel composition and hardness. This is essential for quality assurance in regulated industries.
- 2-Year Warranty: Covers defects in material and workmanship, giving you peace of mind for the first two years.
- Full Range Coverage: From 8mm to 19mm, this set covers the most frequently used metric sizes, eliminating the need for multiple incomplete sets.
- Easy Storage & Portability: The set comes securely held in a sturdy plastic clip or optional roll-up pouch (available upon request) that keeps wrenches organized in your toolbox.
- Custom Branding Options: We offer laser engraving of your company logo or part number on each wrench (customizable).
Trusted by Professionals Worldwide
Cangzhou Dean Safety & Special Tools Co., Ltd has been manufacturing premium tools since 2001, with an annual export value exceeding US$100 million. Our products are shipped from Tianjin, Shanghai, and Ningbo ports to over 50 countries, including North America, Europe, and Southeast Asia. We serve industries ranging from automotive repair to heavy machinery maintenance. Every wrench set undergoes strict quality control—from raw material inspection to final torque testing. With a dedicated R&D team and modern forging facility, we ensure consistency and reliability in every batch. Choose our 12-piece combination wrench set for a tool that works as hard as you do, supported by a lifetime commitment to quality. Contact us today for wholesale pricing or custom packaging options.
Frequently Asked Questions
Q1: Are these wrenches made of chrome vanadium steel?
A: Yes, each wrench is drop-forged from high-quality chrome vanadium steel (CR-V) and heat-treated to achieve optimal hardness and toughness.
Q2: What is the size range of the set?
A: The set includes 12 metric wrenches: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, and 19 mm.
Q3: Do you provide a Mill Test Report with every set?
A: Yes, a certified Mill Test Report (material composition and hardness) is included inside the package free of charge.
Q4: What does the lifetime free replacement policy cover?
A: If any wrench breaks due to normal use (not abuse or misuse), we will replace it free of charge for the entire life of the product. No proof of purchase needed after initial registration.
Q5: Is the 2-year warranty separate from the lifetime policy?
A: The 2-year warranty covers defects in materials and workmanship. After that, the lifetime free replacement policy continues for breakage under normal use.
Q6: Can I get custom sizes or branding on these wrenches?
A: Yes, we offer customization services such as laser engraving your logo or part number. Please contact our sales team for MOQ details.
Q7: How are the wrenches organized? Do they come in a case?
A: They come secured in a durable plastic clip. A roll-up pouch or canvas bag is available as an optional accessory upon request.
Q8: What is the shipping lead time for wholesale orders?
A: Typical lead time is 15-30 days after order confirmation, depending on quantity and customization. We ship from Tianjin, Shanghai, or Ningbo ports.
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