Professional-grade 7/8" SAE four-way angle head open-end wrench with integrated lanyard system, Flank Drive®Plus profile, and superior drop-resistance for safe work at heights.
The Snap-on Tools@Height 7/8" SAE Four-Way Angle Head Open-End Wrench (Model THVS28B) is engineered for professionals working at heights who require reliable, drop-resistant tools. This innovative wrench features the Tools@Height System that tethers each tool with its own lanyard, minimizing tool exchanges and significantly reducing the likelihood of dangerous drops. The wrench is manufactured from special alloy steel and heat-treated for optimum strength and durability, ensuring it withstands the rigorous demands of professional use.
Designed with superior engineering, this four-way angle head wrench offers versatility and functionality. The Flank Drive®Plus wrenching profile on the open end bites into the fastener, preventing slipping and rounding of fasteners while providing up to 62% more turning power and strength compared to conventional wrenches. The angle head design features offset angles at 30° and 60° to the handle, allowing the same size wrench to be used in four different positions. The attachment points are engineered to not interfere with tool functionality, and the lanyard slides out of the way along the wrench handle to provide full use and achieve greatest leverage.
Constructed from polished stainless steel with nickel-chrome plating, this wrench offers superior flexibility and shock-absorbing qualities while protecting against corrosion. The wrench is sized for optimum comfort and balance, making it ideal for extended use in demanding work environments. With no welds to fail and superior design principles, this professional-grade tool is built to last and perform reliably in aviation, aerospace, military, defense, oil and gas, power generation, and general industry applications.
Key Features
- Snap-on Tools@Height System with integrated lanyard for drop prevention and tool retention
- Flank Drive®Plus wrenching profile providing up to 62% more turning power and strength
- Four-way angle head design with 30° and 60° offsets for versatile positioning
- Polished stainless steel construction with superior flexibility and shock-absorption
- Nickel-chrome plating for corrosion protection and easy maintenance
- Special alloy steel heat-treated for optimum strength and durability
- Engineered attachment points that don't interfere with tool functionality
- Optimized comfort and balance for extended professional use
- No welds to fail with superior design engineering
Technical Specifications
| Specification |
Value |
| Model Number | THVS28B |
| Size | 7/8 inch SAE |
| Wrench Type | Four-Way Angle Head Open-End |
| Length | 9-13/32 inches |
| Dimension B (Outside Diameter) | 1-23/32 inches |
| Dimension D (Head Depth) | 5/16 inch |
| Weight | 0.52 lb (0.24 kg) |
| Material | Special alloy steel, polished stainless steel |
| Surface Finish | Nickel-chrome plating |
| Angle Offsets | 30° and 60° to handle |
| Wrenching Profile | Flank Drive®Plus |
| System | Snap-on Tools@Height with lanyard |
| Heat Treatment | Heat-treated for optimum strength |
| List Price | $112.90 |