Wera 7880 Joker 3XL Self-Setting Insert Spanner, 32–41 mm – 14×18 mm Drive

The Wera 7880 Joker 3XL Self-Setting Insert Spanner is a professional-grade tool head designed for torque wrenches and ratchets, engineered to streamline your work with large fasteners. Featuring the innovative Joker parallel jaw technology, this spanner head automatically grips any fastener within its specified 32–41 mm range. This revolutionary design eliminates the need to carry multiple individual spanners, saving significant time, reducing toolbag weight, and minimising the risk of using an incorrectly sized tool on a critical fastener.

Engineered for precision and durability, the insert spanner boasts a 14×18 mm square drive, making it directly compatible with a wide range of standard torque wrenches and ratchets. This compatibility ensures you can apply accurate, controlled torque to large nuts and bolts, which is essential for automotive, industrial, and heavy machinery applications. The tool's 30° return angle is a key feature for working in confined spaces, allowing for efficient ratcheting where a full swing is not possible, thereby increasing productivity and reducing user fatigue.

Constructed from high-quality materials, the Wera Joker spanner head is built to withstand the rigours of professional use. The self-setting mechanism is robust and reliable, ensuring a secure, slip-free grip on fasteners to prevent rounding and damage. By consolidating several wrench sizes into a single, intelligent tool head, it represents a smart investment for any technician, engineer, or serious DIY enthusiast dealing with large-scale projects.

Key Specifications

• Drive Size: 14×18 mm square drive
• Capacity Range: 32–41 mm
• Technology: Self-setting Joker parallel jaw
• Return Angle: 30°
• Primary Function: Replaces multiple individual spanners within its range
• Compatibility: Standard 14×18 mm drive torque wrenches and ratchets