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WERA 6004 Joker L self-adjusting spanner, 16-19 x 5/8-3/4" x 224 mm - 05020101001

Supplier number: WERA 05020101001 | EAN 4013288214706
Recommended Retail Price €103.70
46.80 tax incl.
€38.68 excl. VAT (incl. all environmental contributions)
On stock - immediately available | we have 4 products in stock.

  • Ordered before 20:00 - delivered tomorrow 01/10/2026
  • Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
  • Delivery by DHL

Fast fastening with Wera Joker

Practical benefits
  • Automatic continuous size adjustment: The smooth parallel jaws automatically fit bolts from 16 to 19 mm so you avoid swapping multiple hand tools.
  • Secure grip without slippage: An integrated lever mechanism firmly clamps fasteners to eliminate slipping while protecting corners against rounding.
  • Quick ratcheting in tight areas: You work quickly without removing the tool thanks to the mechanical ratchet action and compact 30° return angle.

In a nutshell

The right choise for

With the Wera Joker 6004 L self-setting open-ended spanner, you handle installation and maintenance jobs with greater speed and flexibility. Measuring 224 mm in length, this tool automatically and continuously adjusts to hexagon bolts and nuts from 16 to 19 mm and 5/8" to 3/4", eliminating the need to swap between multiple fixed wrenches. The smooth, parallel jaws apply even surface pressure to protect fastener corners from rounding and damage. Thanks to the integrated mechanical ratchet feature with a tight 30° return angle, you drive fasteners continuously without removing the spanner, making work in confined spaces effortless.



€46.80
In stock - tax incl.

Product information

Key features according to our expert

  • Width across flats 1: 16 mm
  • Length: 224 mm
  • Non-sparking: No
  • VDE approved: No
  • With safety colour code 1000V: Not applicable
  • Surface treatment: Chrome plated
  • Width across flats 2: 19 mm
  • Product Range: Wera Joker

Scope of delivery

  • 6004 Joker L Self-setting spanner, 16; 17; 18; 19 x 5/8; 11/16; 3/4" x 224 mm

Product description

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. Self-setting. Gripping. Spanning.

  • For hexagon screw heads and bolts with wrench sizes 16.0; 17.0; 18.0; 19.0 (metric)
  • For hexagon screw heads and bolts with wrench sizes 5/8"; 11/16"; 3/4" (imperial)
  • Automatically and continuously gripping hexagon screws and bolts
  • Lever mechanism upon gripping prevents slipping and damage
  • With mechanical ratchet functionality for fast and consistent screwdriving without removing the spanner

Application

  • Hexagon screw heads and bolts with wrench size 16,0; 17,0; 18,0; 19,0 (metric) and 5/8"; 11/16"; 3/4" (imperial)

Design

  • Self-setting spanner with ratchet function; size-adjustable open end side, parallel smooth jaws; with 30° return angle due to the corner-width rectangular prisms in the open end; hole for hanging

Features and benefits

  • With its automatically and continuously gripping parallel jaws the Joker spanner 6004 covers all dimensions in the respective field of application. The tool automatically finds the required size when placed on the bolt or screw, no setting required.
  • The parallel smooth jaws of the Joker 6004 allow surface pressure and can thus prevent rounding of the bolt or screw head, which can occur during power transmission via the corners.
  • The ratchet feature in the jaw ensures fast and consistent screwdriving without removing the tool.
  • The corner-width rectangular prisms in the jaw allow a return angle of only 30°.
  • Thanks to its hole the Joker can be neatly hung on the workshop wall.

All Features

Width across flats 1
16 mm
Length
224 mm
Non-sparking
No
Vde approved
No
With safety colour code 1000v
Not applicable
Surface treatment
Chrome plated
Width across flats 2
19 mm
Product range
Wera Joker
  • Brand WERA
  • EAN 4013288214706
  • Supplier number WERA 05020101001

Frequently asked questions about this product

Answered by specialists
Which bolt and nut sizes does this spanner fit?
It automatically adjusts to metric sizes from 16 to 19 mm and imperial sizes from 5/8" to 3/4".
How does the ratcheting function work on this open-ended spanner?
The lever mechanism allows the jaws to glide over the fastener on the return stroke, offering a 30° return angle without removing the tool.
Does this spanner round off bolt heads or nuts?
No, the smooth, parallel jaws grip the flat surfaces of the hexagon evenly, preventing edge damage and slipping.
Is this Wera Joker 6004 L insulated for electrical work?
No, this model is not VDE certified and is not insulated for live electrical applications.
What is the total length of this tool?
The total length of the Wera Joker 6004 L is 224 mm.
Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

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