Unior Open End Wrench – Metric Double Open Wrench
The Unior Open End Wrench is a durable double-ended wrench designed for servicing metric fasteners commonly found in bicycle maintenance and general mechanical work. Each wrench features two open-end sizes, allowing mechanics to quickly switch between commonly used fastener sizes without changing tools.
Manufactured from drop-forged chrome vanadium steel, these wrenches are fully hardened and tempered for strength and long service life. The precision-machined jaws provide secure engagement with fasteners, helping reduce the risk of rounding bolt heads during service.
Built for professional workshops and home mechanics alike, Unior tools are known for their durability and reliable performance.
This is a multi-variation listing. Please select the desired wrench size combination from the dropdown menu before purchasing.
Available Sizes
• 8mm / 9mm
• 10mm / 11mm
• 12mm / 13mm
• 14mm / 15mm
Key Features
• Double open-end wrench design for quick size changes
• Made from premium chrome vanadium steel
• Drop forged, hardened and tempered construction
• Precision-machined jaws for secure fastener engagement
• Designed for professional workshop use
• European made with lifetime manufacturer warranty
Specifications
• Brand: Unior
• Tool Type: Open End Wrench
• Material: Chrome Vanadium Steel
• Construction: Drop forged, hardened and tempered
• Fastener Type: Metric
Compatibility
Designed for metric nuts and bolts commonly found in bicycle service, automotive repair, and general mechanical applications.
Condition
• Bulk / shop inventory – no retail packaging
• Lifetime manufacturer warranty
• Genuine Unior product
• Includes only what is shown in photos
A durable professional wrench designed for reliable service and long-term performance in workshop environments.