Professional Snap-on 9/16–5/8" SAE dual-size open-end wrench with continuous arc design, heat-treated alloy steel construction, nickel-chrome plating, and 15° offset for restricted spaces. ASME B107.100-2010 certified.
The Snap-on 9/16–5/8" SAE Open-End Wrench (Model VO1820B) is a professional-grade hand tool engineered for precision fastening applications in automotive, industrial, and maintenance environments. This dual-size wrench features a continuous arc design that distributes stress evenly across the head, ensuring maximum torque transfer to the fastener while minimizing potential damage. Manufactured from special alloy steel and heat-treated to exacting standards, this wrench delivers exceptional strength and durability for demanding professional use.
The wrench benefits from a premium nickel-chrome plating that provides superior corrosion resistance and facilitates easy cleaning after use. The ergonomic design incorporates optimized sizing for comfort and balance during extended work sessions, reducing user fatigue. The 15° offset broaching design allows users to flip the open-end over to achieve more advantageous grip positions in restricted clearance areas, enhancing versatility in tight working spaces.
Meeting ASME B107.100-2010 standards, this Snap-on wrench is certified for professional-grade performance and reliability. The tool measures 7-9/32 inches in length with a head depth of 9/32 inches and an outside diameter of 1-5/32–1-5/16 inches, making it ideal for medium-sized fasteners. Whether you're a professional technician, fleet maintenance specialist, or industrial maintenance professional, this wrench is an essential addition to your tool collection.
Key Features
- Continuous arc design distributes stress evenly across wrench head for maximum torque transfer
- Special alloy steel construction with heat treatment for superior strength and durability
- Nickel-chrome plating provides corrosion resistance and easy maintenance
- 15° offset broaching enables better grip positioning in restricted clearance areas
- Ergonomic sizing for optimal comfort and balance during extended use
- Dual-size capability (9/16–5/8") accommodates multiple fastener sizes
- ASME B107.100-2010 certified for professional-grade performance standards
Technical Specifications
| Specification |
Value |
| Product Model | VO1820B |
| Size | 9/16–5/8 inches SAE |
| Length | 7-9/32 inches |
| Head Depth | 9/32 inches |
| Outside Diameter | 1-5/32–1-5/16 inches |
| Material | Special alloy steel |
| Finish | Chrome with nickel plating |
| Design Type | Open-end wrench with 15° offset |
| Standards Compliance | ASME B107.100-2010 |
| Weight | Approximately 0.35 lbs |
| Application | Dual-size fastener applications |
| Brand | Snap-on Incorporated |
