Professional 9/16" SAE four-way angle head open-end wrench with innovative Tools@Height tethering system for overhead work. Features Flank Drive®Plus profile, special alloy steel construction, and nickel-chrome plating for superior performance and corrosion resistance.
The Snap-on Tools@Height 9/16" SAE Four-Way Angle Head Open-End Wrench (Model THVS18B) is a professional-grade tool engineered specifically for overhead and height-restricted work environments. This innovative wrench features the exclusive Tools@Height System that tethers the tool with its own lanyard, significantly minimizing tool exchanges and reducing the critical risk of drops in elevated work areas. The wrench is manufactured from special alloy steel and heat-treated to ensure optimum strength and durability for demanding industrial applications.
Designed with superior engineering, this four-way angle head wrench provides versatility and efficiency in confined spaces. The wrench features offset angles at 30° and 60° to the handle, allowing the same size wrench to be used in four different positions. The engineered attachment points for the lanyard system don't interfere with the functionality of the tool, and the attachment slides out of the way along the wrench handle to provide full use of the handle and achieve maximum leverage. With no welds to fail, the polished stainless steel attachment points offer superior flexibility and shock-absorbing qualities compared to welded alternatives.
Equipped with Flank Drive®Plus wrenching profile on the open end, this wrench 'bites' into the fastener, preventing slipping and rounding of fasteners while providing up to 62% more turning power and strength than conventional designs. The nickel-chrome plating helps protect against corrosion and makes maintenance simple. Sized for optimum comfort and balance, this professional tool is ideal for aviation, aerospace, military, defense, oil and gas, power generation, and general industry applications where safety and reliability are paramount.
Key Features
- Snap-on Tools@Height System with integrated lanyard tether minimizes tool exchanges and reduces drop risks
- Four-way angle head design with 30° and 60° offset angles for versatile positioning in confined spaces
- Flank Drive®Plus wrenching profile provides up to 62% more turning power and prevents fastener slipping and rounding
- Special alloy steel construction with heat treatment for optimum strength, durability, and reliability
- No-weld design with polished stainless steel attachment points for superior flexibility and shock absorption
- Nickel-chrome plating protects against corrosion and facilitates easy cleaning and maintenance
- Engineered attachment points that don't interfere with tool functionality and slide out of the way
- Sized for optimum comfort and balance during extended use
Technical Specifications
| Specification |
Value |
| Product Model | THVS18B |
| Wrench Size | 9/16" SAE |
| Wrench Type | Four-Way Angle Head Open-End |
| Length | 6-9/16 inches |
| Outside Diameter (Dimension B) | 1-1/8 inches |
| Head Depth (Dimension D) | 1/4 inch |
| Weight | 0.16 lb (0.07 kg) |
| Material | Special alloy steel, heat-treated |
| Finish | Nickel-chrome plating |
| Attachment Points | Polished stainless steel, no welds |
| Angle Offsets | 30° and 60° to handle |
| Wrench Profile | Flank Drive®Plus on open end |
| System | Snap-on Tools@Height with integrated lanyard |
| List Price | $79.20 |
| Availability Status | Backorder - Estimated in stock 05/16/2026 |