Professional 21mm metric four-way angle head open-end wrench with integrated Tools@Height safety tether system, polished stainless steel construction, and 30°/60° offset design for versatile overhead and elevated work applications.
The Snap-on Tools@Height 21mm Metric Four-Way Angle Head Open-End Wrench (Model THVSM5221B) is a professional-grade tool engineered for high-altitude and overhead work applications. This innovative wrench features the proprietary Tools@Height System that tethers each tool with its own lanyard, significantly minimizing tool exchanges and reducing the critical risk of dangerous drops in elevated work environments. The wrench is manufactured from polished stainless steel with nickel-chrome plating, providing superior flexibility, shock-absorbing qualities, and exceptional corrosion resistance compared to traditional welded attachments.
Designed with precision engineering, this four-way angle head wrench eliminates the need for multiple tools by offering the same size on both ends, allowing it to be used in four different positions. The heads are offset at 30° and 60° angles to the handle, with an innovative design that slides out of the way along the wrench handle to provide full use and maximum leverage. The engineered attachment points are strategically positioned to not interfere with the tool's functionality, ensuring optimal performance in demanding work conditions. Sized for optimum comfort and balance, this 228mm long wrench weighs only 0.46 pounds (0.21 kg), making it ideal for extended use at heights.
The superior design features no welds to fail, ensuring long-term durability and reliability. The nickel-chrome plating not only protects against corrosion but also makes maintenance simple with easy cleaning. This professional tool is perfect for aviation, aerospace, military, defense, oil and gas, power generation, and general industry applications where safety and precision are paramount.
Key Features
- Integrated Tools@Height safety tether system minimizes tool exchanges and prevents dangerous drops
- Four-way angle head design with same size on both ends for multiple working positions
- Polished stainless steel construction with superior flexibility and shock-absorbing qualities
- 30° and 60° offset angle head design for optimal reach and leverage in confined spaces
- Nickel-chrome plating provides corrosion resistance and easy maintenance
- No welds to fail - engineered attachment points ensure long-term durability
- Slides out of the way design maintains full handle functionality and maximum leverage
- Lightweight at 0.46 lb (0.21 kg) for reduced fatigue during extended overhead work
- Optimized comfort and balance for professional-grade performance
- Engineered attachment points don't interfere with tool functionality
Technical Specifications
| Specification |
Value |
| Model Number | THVSM5221B |
| Size | 21 mm |
| Type | Metric Four-Way Angle Head Open-End Wrench |
| Material | Polished Stainless Steel |
| Finish | Nickel-Chrome Plating |
| Length (Dimension E) | 228 mm |
| Head Depth (Dimension D) | 8 mm |
| Outside Diameter (Dimension B) | 41 mm |
| Weight | 0.46 lb (0.21 kg) |
| Angle Offsets | 30° and 60° |
| Number of Working Positions | Four positions |
| Brand | Snap-on |
| System | Tools@Height with Integrated Safety Tether |
| Design Feature | No welds - welded attachment free |
| List Price | $119.05 |
