Professional Snap-on 5/16-3/8" SAE Flank Drive box wrench with 10° offset handle, 12-point design, and nickel-chrome plating for superior corrosion resistance and durability.
The Snap-on 5/16–3/8" 12-Point SAE Flank Drive® Short 10° Offset Box Wrench (Model XS1012A) is a professional-grade tool designed for precision fastening applications. This wrench features Snap-on's proprietary Flank Drive® wrenching system on the box-end, which provides up to 15-20% more turning power compared to conventional wrenches while significantly reducing the risk of tool or fastener damage. The tool is engineered with a 10° offset handle that maximizes knuckle clearance and provides enhanced access in confined spaces, making it ideal for automotive, industrial, and maintenance applications.
Constructed with premium nickel-chrome plating, this wrench delivers a mirror-like finish that not only enhances its professional appearance but also provides superior corrosion resistance and durability. The chrome plating makes the tool easy to clean and maintain, ensuring long-term performance in demanding work environments. The wrench is sized for optimum comfort and balance in the hand, reducing user fatigue during extended use and improving overall work efficiency.
This SAE-sized wrench measures 4-9/16 inches in length with a 12-point box design, meeting ASME® B107.100 standards for quality and safety. The dual-sized head accommodates both 5/16" and 3/8" fasteners, making it a versatile addition to any professional tool collection. Whether you're working in aviation, aerospace, automotive, or general industrial maintenance, this Snap-on wrench delivers the reliability and performance that professionals demand.
Key Features
- Flank Drive® wrenching system provides 15-20% more turning power with reduced tool and fastener damage risk
- 10° offset handle design maximizes knuckle clearance and improves access in confined spaces
- Premium nickel-chrome plating delivers mirror-like finish for corrosion resistance and easy cleaning
- Dual-sized head accommodates both 5/16" and 3/8" SAE fasteners for versatile applications
- Ergonomically designed for optimum comfort and balance to reduce user fatigue during extended use
- 12-point box design ensures secure grip and prevents fastener slipping
- Meets ASME® B107.100 standards for professional quality and safety
- Ideal for automotive, aerospace, industrial, and maintenance applications
Technical Specifications
| Specification |
Value |
| Model Number | XS1012A |
| Size | 5/16–3/8 inches SAE |
| Style | 12-Point Box Wrench |
| Handle Offset | 10° offset |
| Length | 4-9/16 inches |
| Dimension A (Outside Diameter) | 15/32–9/16 inches |
| Dimension C (Head Depth) | 9/32–5/16 inches |
| Finish | Chrome (Nickel-Chrome Plating) |
| Standards Compliance | ASME® B107.100 |
| Wrench Type | Flank Drive® Box Wrench |
| Performance Advantage | 15-20% more turning power than conventional wrenches |
| List Price | $48.25 |
