Wera 7880 Joker 4XL Self-Setting Insert Spanner 41-55 mm

Wera 7880 Joker 4XL Self-setting insert spanner for wrench, size 41-55 mm
Wera 7880 Joker 4XL Self-setting insert spanner (for nut sizes 41-55 mm / insert size 14x18 mm, SKU 05020111001), an innovative premium insert tool from Germany. Designed for use with torque wrenches or drive handles featuring a 14x18 mm rectangular insert receiver. Highlights include a self-setting mechanism that automatically adjusts and grips large hex screw or bolt heads ranging from 41 mm to 55 mm. The smooth, parallel jaw design increases contact area, distributes pressure evenly, reduces damage, and definitively prevents bolt head rounding. Features an integrated ratchet function that enables fast screwdriving and loosening without having to remove the tool from the fastener.

Features
- Self-Setting Adjustment: The wrench jaws adjust automatically and continuously to the bolt head, covering both metric and imperial sizes (41-55 mm)
- Holding Function & Smooth Jaws: Parallel jaws securely clamp the bolt head, distributing torque evenly to prevent corner rounding
- Ratchet Mechanism: Built-in ratcheting action allows fast and continuous work without removing the spanner from the workpiece
- Standard 14x18 mm Insert Drive: Securely and safely attaches to torque wrenches or handles with a standard 14x18 mm drive socket
- Highly Durable Chrome Vanadium Steel Construction: Made from premium-grade steel, highly resistant to heavy torque, industrial applications, and repeated use

Applications (Suitable for)
- Use in combination with a torque wrench to control torque values when tightening large bolts (41-55 mm)
- Maintenance and repair of heavy machinery, steel structures, and industrial large bearings/pipes
- Assembly and maintenance of large vehicles such as trucks, tractors, and agricultural machinery
- Ideal for maintenance technicians, plant engineers, and machine builders requiring precision and speed

Specifications
- Brand: Wera
- Model / SKU: 7880 Joker 4XL / 05020111001
- Insert Drive Size: 14x18 mm (14x18 mm)
- Capacity Range: 41 - 55 mm
- Material: Chrome Vanadium steel