Wera 6004 Joker S 10-13 mm self-adjusting open-end wrench

Description

When you’re doing a quick bike repair in the workshop or garage—tightening a rack mount or adjusting accessories—you don’t want to waste time searching for the right size. Wera 6004 Joker S adapts to the fastener, and you keep going at the pace you like.

Main benefits

Wera 6004 Joker S 10–13 mm self-adjusting open-end wrench automatically and smoothly grips hex-head bolts and nuts without manual adjustment. The parallel-guided jaws clamp the flats and help reduce damage to the edges of the hex.

The built-in ratcheting function allows continuous tightening and loosening without constantly removing the wrench. Work stays quick even on longer threads or when you need to make several connections in a row.

The lever mechanism when clamping reduces the risk of slipping, giving you more reliable power transfer. You’ll appreciate it on more delicate connections as well as where the bolt head is already slightly worn.

Thanks to a return angle of only 30°, you can also reach tight spaces around components or frame parts. The single-sided design additionally makes it easier to fit in areas where surrounding material gets in the way.

Technical parameters

The range of use includes metric hex sizes with a width across flats of 10–13 mm.

Imperial sizes cover hex widths across flats of 7/16" and 1/2".

The overall length of the wrench is 154 mm for good handling in the hand.

The tool is made from chrome-vanadium steel for strength under typical workshop loads.

Conclusion

Wera 6004 Joker S is a universal ratcheting open-end wrench for hex nuts and bolts when you need to cover multiple sizes with one tool. It’s suitable for home servicing of sports equipment as well as for a workshop where speed and a secure grip matter. A practical hanging hole helps keep things tidy on a wall or in a tool panel.

Key features

• Self-adjusting jaws for multiple sizes
• Ratcheting function without removing the wrench
• Return angle of only 30°
• Chrome-vanadium steel for durability
• Hanging hole for easy storage

EAN: 4013288211729