Wera 020101 Joker 6004 Self-setting Wrench, Large

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List Price: $82.43
Stock Status:
item in stock 4 In Stock.
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Wera 6004 self adjusting wrench
Size: Large (16 - 19mm or 5/8 - 3/4")
OAL: 224mm (8.8")
Automatic and continuous grip of hex screws and bolts
Automatically adjusts to different size bolt heads
Lever mechanism when gripping avoids slipping and damage
The single arm design along with the ratchet function make this a great tool for confined spaces
Fast and consistent driving without removing the wrench due to its mechanical ratchet function
Back pivoting angle of only 30 degrees with placement in the corner width rectangular prisms on the jaws

Manufacturer Part #: 05020101001

All Wera professional hand tools are covered by a lifetime warranty against breakage due to defects in materials or workmanship for the normal life of the product. This policy does not cover products which have been altered in any way, and products which have been subject to abuse, misuse, negligence, or improper storage. Bits, bitholders and L-keys are also not covered under this warranty policy as they are considered consumable. Wera Tools reserves the right to inspect warranty claims before replacements are issued. Return transportation costs are not included, however Wera will send replacement tools at no cost. Any claims for reasons other than those noted here must be approved by Wera Tools Inc. All returns are subject to inspection prior to replacement.

All Wera tools must be sent to Wera for warranty claims. Use the following link to start this process.
Submit warranty claim here
Individual Tools
200-224mm (8.0-8.9 inches)
Country of Origin:
Made in Czech Republic
In Stock

6 Reviews Write a Review

  • 5
    wera self ratchet Large

    Posted by Santos Moran on Aug 24th 2020

    very useful in tight areas

  • 5
    Wera 020101 joker 6004 self setting wrench large

    Posted by Gisler on May 22nd 2020

    Very well designed, easy to grip ,

  • 4
    They're fine

    Posted by Andrew on May 6th 2020

    Look, honestly I bought these because everyone on Instagram was hyping them up... they're good, not great. They're very limited in the size range that they can fit on, and yes you can buy the next size up/down, but that's another $60-$70 to spend... anyways, I like it and will continue to use it, but I don't know if I'd buy it again.

  • 4
    Joker self adjusting wrench

    Posted by Bill on May 3rd 2020

    This wrench was as a good as any of there other wrenches and worked as advertised. The price was a little high that was the reason it did not get the 5 stars, but it did help take a couple wrenches out of my service bag, and anytime I can have less tools to carry and still be able to accomplish what I need to do is great by me.

  • 5
    Wera has done it again

    Posted by Neff on May 1st 2020

    When you think of German made tools, the first word that comes to mind is Engineering. German Engineering is known throughout the world as a trait you definitely want in a tool. Wera has found yet another tool to improve. And these Joker 6004 designs are a huge improvement on the Adjustable wrench market. The comfort, and function of this wrench is perfect. This has become the first tool out of the bag on most of my jobs. It took a few uses to get my muscle memory adjusted to how this tool performs, but now it is an extension of my hand. I can't wait till they release the medium and XL sizes in the USA

  • 5
    Great Wrench

    Posted by Victor Imbornone on Apr 30th 2020

    Simple to use tool with an extremely tight grip.