Wrench Wera 6004 Joker XL

The Wrench Wera 6004 Joker XL is a self-adjusting cranked wrench for hexagon bolts and screws in the 19–24 mm range. Manufactured in the Czech Republic, the tool is 256 mm long with a thickness of 1.6 cm and is designed to provide secure gripping and reliable torque in confined workspaces. Its continuous parallel jaws automatically adapt to the fastener size, while an integrated lever mechanism clamps the hexagon head to reduce slippage. The ratchet function permits fast screwdriving without removing the tool, and the corner-width rectangular prism geometry allows back-pivoting from just 30°.

Advantages

The Joker XL replaces multiple single-size spanners by automatically setting the required size when placed on the fastener, reducing the need to switch tools. The integrated lever clamp and parallel jaws decrease the risk of rounding or damage to bolt heads. The ratchet feature and cranked (single-arm) design improve working speed and accessibility in tight spaces. Built to metric and imperial requirements, the wrench covers a wide range of applications while offering consistent grip and torque.

Suitable for

• Automotive repairs and maintenance where space is limited
• Assembly and disassembly of machinery with 19–24 mm hex fasteners
• Plumbing and installation tasks requiring adjustable wrench sizes
• Maintenance work where fast, repetitive turning is needed

Key specifications

• Brand: Wera
• Model: 6004 Joker XL
• Range: 19–24 mm (self-adjusting)
• Length: 256 mm
• Thickness: 1.6 cm
• Made in: Czech Republic
• MPN: 05020104001
• EAN: 4013288216915

How to use

Place the jaw of the Wera 6004 Joker XL onto the hexagon bolt or screw; the continuous parallel jaws will automatically set to the correct size. Secure the clamp by pressing the lever mechanism so the fastener is gripped firmly between the jaws. Use the ratchet function to turn the fastener without removing the tool; for tight access, exploit the cranked single-arm design and the corner-width prism to work with a back-pivoting angle as small as 30°.

Usage recommendations

For best results, ensure the fastener head and tool jaws are clean and undamaged before use. Do not apply impact force with the Joker XL; use it for manual torque only. Store the wrench dry to prevent corrosion and periodically inspect the jaws and lever for wear.