Many users wish to have a universal screwdriving tool with the widest possible range of applications. It should be a single tool for multiple metric and imperial dimensions. It should automatically adjust to the different screw sizes. It should be safe to grab without damaging anything and should allow for high working speeds. With its continuous and parallel jaws the Joker 6004 replaces several single spanner sizes. The required size is automatically and continuously set when attaching the tool to the hexagon bolt or screw.The integrated lever mechanism securely clamps the hexagon screw or bolt between the jaws, which significantly reduces the risk of slippage or damage. The ratchet feature ensures fast and consistent screwdriving without removing the tool. By using the corner-width rectangular prisms, a back-pivoting angle of only 30° can be achieved. The single-arm design, in conjunction with the ratchet feature and the corner-width prism, makes it possible to work even in confined spaces. The adjustable Joker 6004 is the universal screwdriving tool.
Many users wish to have a universal screwdriving tool with the widest possible range of applications. It should be a single tool for multiple metric and imperial dimensions. It should automatically adjust to the different screw sizes. It should be safe to grab without damaging anything and should allow for high working speeds. With its continuous and parallel jaws the Joker 6004 replaces several single spanner sizes. The required size is automatically and continuously set when attaching the tool to the hexagon bolt or screw.The integrated lever mechanism securely clamps the hexagon screw or bolt between the jaws, which significantly reduces the risk of slippage or damage. The ratchet feature ensures fast and consistent screwdriving without removing the tool. By using the corner-width rectangular prisms, a back-pivoting angle of only 30° can be achieved. The single-arm design, in conjunction with the ratchet feature and the corner-width prism, makes it possible to work even in confined spaces. The adjustable Joker 6004 is the universal screwdriving tool.
Many users wish to have a universal screwdriving tool with the widest possible range of applications. It should be a single tool for multiple metric and imperial dimensions. It should automatically adjust to the different screw sizes. It should be safe to grab without damaging anything and should allow for high working speeds. With its continuous and parallel jaws the Joker 6004 replaces several single spanner sizes. The required size is automatically and continuously set when attaching the tool to the hexagon bolt or screw.The integrated lever mechanism securely clamps the hexagon screw or bolt between the jaws, which significantly reduces the risk of slippage or damage. The ratchet feature ensures fast and consistent screwdriving without removing the tool. By using the corner-width rectangular prisms, a back-pivoting angle of only 30° can be achieved. The single-arm design, in conjunction with the ratchet feature and the corner-width prism, makes it possible to work even in confined spaces. The adjustable Joker 6004 is the universal screwdriving tool.
Many users wish to have a universal screwdriving tool with the widest possible range of applications. It should be a single tool for multiple metric and imperial dimensions. It should automatically adjust to the different screw sizes. It should be safe to grab without damaging anything and should allow for high working speeds. With its continuous and parallel jaws the Joker 6004 replaces several single spanner sizes. The required size is automatically and continuously set when attaching the tool to the hexagon bolt or screw.The integrated lever mechanism securely clamps the hexagon screw or bolt between the jaws, which significantly reduces the risk of slippage or damage. The ratchet feature ensures fast and consistent screwdriving without removing the tool. By using the corner-width rectangular prisms, a back-pivoting angle of only 30° can be achieved. The single-arm design, in conjunction with the ratchet feature and the corner-width prism, makes it possible to work even in confined spaces. The adjustable Joker 6004 is the universal screwdriving tool.
Last updated at 05/13/2026 07:57:11
Wera 6004 Joker Self-Setting Adjustable Spanner, Medium
Free delivery
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Self-setting spanner
Delivery $56.04
05020103001 WERA Wrench: self-adjusting
Delivery $21.97
Wera 6004 Joker M Self-setting Spanner - Precision & Durability
Delivery $13.66
Wera 020103 6004 Joker M Self-Setting Spanner, 13-16mm, 1/2"-5/8"
Wera '05020103001 6004 Joker M Self-Setting Spanner 13-16 mm (1/2"-5/8“)
Delivery $11.20
WERA 6004 Joker M 1/2 X 5/8inch 13-16mm MET/AF Adjustable Wrench 05020103001
Delivery between 20–25 May $9.70
Wera 05020103001 6004 Joker M Self-setting Spanner, 13-16 X 1/2-5/8" X
Free delivery
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Wera 05020103001 Joker M Self-setting Combination Wrench: 13 16mm, 1/2
Delivery $25.70
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Wera Tools Joker 6004 Adjustable Ratchet Open End Spanner
Delivery $6
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originally posted on ebay.com
The primary feature is that with this wrench, the more pressure you apply, the tighter it grips, greatly reducing the chance of the tool slipping off or damaging the flats of the fastening. Secondly, because the jaws are spring-loaded, the wrench can be slipped back around the flats to resemble a ratchet, without having to set or adjust anything, which is very handy. Given these advantages over a conventional adjustable wrench, I can't see myself ever using one again if I have one of these Wera wrenches to hand. Given the price, the construction and finish are what you would expect and will give long service. A lovely tool that adds something very worthwhile to your armoury.
originally posted on ebay.com
Great product works really well on 15mm compression nuts. Seller very good thank you
originally posted on canadiantire.ca
I bought 3 sizes, used one today and it’s a godsend. The ratcheting action makes work easy on faucet supply lines etc can’t wait to get the xl and xxl
| Material Specification | Chrome Molybdenum Steel |
| Finish | Nickel Chrome Coating |
| Total Length (L) | 188mm |
| Head Width | 12.4mm |
| Metric Spanner Size (J) | 13mm - 16mm |
Wera 6004 Joker Self-Setting Adjustable Spanner, Medium
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Self-setting spanner
Delivery $56.04
05020103001 WERA Wrench: self-adjusting
Delivery $21.97
Wera 6004 Joker M Self-setting Spanner - Precision & Durability
Delivery $13.66
Wera 020103 6004 Joker M Self-Setting Spanner, 13-16mm, 1/2"-5/8"
The primary feature is that with this wrench, the more pressure you apply, the tighter it grips, greatly reducing the chance of the tool slipping off or damaging the flats of the fastening. Secondly, because the jaws are spring-loaded, the wrench can be slipped back around the flats to resemble a ratchet, without having to set or adjust anything, which is very handy. Given these advantages over a conventional adjustable wrench, I can't see myself ever using one again if I have one of these Wera wrenches to hand. Given the price, the construction and finish are what you would expect and will give long service. A lovely tool that adds something very worthwhile to your armoury.
Great product works really well on 15mm compression nuts. Seller very good thank you
I bought 3 sizes, used one today and it’s a godsend. The ratcheting action makes work easy on faucet supply lines etc can’t wait to get the xl and xxl
Wish they kept the handle size as thick as smaller versions. Other than that great tool. Speeds up any fastening procedure
This wrench has already gotten me out of trouble, a little learning curve on how to make it work but it does what it is designed to do… I bought the small one and it helps you get into those bulkheads of hoses, tight spots with limited turning space.
this tool is very useful and is able to grip slightly rounded off hex heads and is very easy to use and a great addition to my tool boxRobert Cook
Well packaged. The wrench is very nicely engineered and super handy for smaller projects involving bolts
Great tool actually and the usual wera quality too , very useful in the plumbing trade and great price too
Found the Wera joker spanner a great addition to my tool kit. Very handy with the ratchet action, I still us adjustable/ shifting spanner but using these more and more.
I am a big fan of Wera. There tools are well made and well thought out. These self adjusting spanners are an ideal addition to my workshop. Well made, and very easy to use. They come in a range of sizes so make sure you get the right size range to suit your work.
| Material Specification | Chrome Molybdenum Steel |
| Finish | Nickel Chrome Coating |
| Total Length (L) | 188mm |
| Head Width | 12.4mm |
| Metric Spanner Size (J) | 13mm - 16mm |
