Wera 7880 Joker Self-Setting Insert Spanner

The Wera 7880 Joker Self-Setting Insert Spanner is a versatile torque wrench accessory designed for use with Wera Click-Torque X and XP series wrenches with a 14x18 mm mounting. Unlike fixed-size spanners, the 7880 Joker automatically sets to the correct size when placed onto a hexagon bolt or screw head. Its continuous, parallel jaws self-adjust to cover all metric and imperial dimensions within the tool's range, effectively replacing multiple individual spanner sizes on the job. The integrated lever mechanism clamps securely onto the fastener, reducing the risk of slippage or rounding damage. Combined with built-in ratchet functionality, the tool allows fast and consistent tightening without needing to reposition after each stroke. A return angle of just 30° — achieved using the corner-width rectangular prisms in the jaw — makes it well suited to confined or restricted spaces. A laser-engraved, abrasion-proof QR code is included to help determine the correct torque value for the specific combination of wrench and insert tool in use. This is a practical feature for tradespeople working to precise torque specifications across demanding applications. Features and Benefits: • Self-adjusting jaws automatically set to the correct fastener size — replaces multiple fixed spanners • Compatible with Wera Click-Torque X and XP series wrenches with 14x18 mm mounting • Covers all metric and imperial hexagon sizes within the applicable range • Integrated lever mechanism clamps securely, reducing risk of slippage or fastener damage • Mechanical ratchet function for fast, consistent tightening without tool removal • 30° return angle for use in tight or restricted access areas • Laser-engraved, abrasion-proof QR code for correct torque value identification Contents: 7880 Joker 3XL Self-setting insert spanner for wrench sizes 32–41 mm, 14x18 mm mounting, 14x18 x 32–41 x 1 1/4–1 5/8" x 128.1 mm Specifications: Drive Size: 14x18 mm Wrench Size Range: 32–41 mm (metric) / 1 1/4–1 5/8" (imperial) Return Angle: 30° Overall Length: 128.1 mm Compatibility: Wera Click-Torque X and XP series with 14x18 mm mounting