Wera 7880 Joker L Spanner Insert for Click Torque Wrenches

The Wera 7880 Joker L Spanner Insert is a self-setting insert spanner designed for use with Wera Click-Torque X and XP series torque wrenches fitted with a 14x18 mm mounting. It is engineered to replace multiple individual spanner sizes, covering all metric and imperial dimensions within its application range. The key advantage of the Joker L lies in its continuously adjustable, parallel jaws, which automatically grip the hexagonal bolt or screw head as the tool is applied. An integrated lever mechanism then clamps the fastener securely in place, significantly reducing the risk of slippage or damage to the fastener — particularly valuable in precision torque applications where control is critical. A built-in mechanical ratchet function allows fast, consistent tightening without removing the tool from the fastener between strokes. By utilising the corner-width rectangular prisms within the jaw, the tool achieves a return angle of just 30°, making 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 being used. Features and Benefits: • Self-setting jaws automatically adjust to fit hexagonal bolts and screws across metric and imperial sizes • Lever mechanism locks the fastener securely to prevent slipping or damage • Mechanical ratchet function enables fast, uninterrupted screwdriving • 30° return angle for use in tight or restricted working spaces • Laser-engraved abrasion-proof QR code for quick torque value identification • Compatible with Wera Click-Torque X and XP series torque wrenches with 14x18 mm mounting Contents: 7880 Joker L Self-setting insert spanner, wrench sizes 16–19 mm, 14x18 mm, 14x18 x 16–19 x 5/8–3/4" x 85.5 mm Specifications: Drive Size: 14x18 mm Wrench Size Range: 16–19 mm (5/8–3/4") Overall Length: 85.5 mm Return Angle: 30° Compatible Mounting: 14x18 mm (Wera Click-Torque X and XP series)