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wera_05022704001
wera_05022704001
wera_05022704001
wera_05022704001
wera_05022704001
wera_05022704001
wera_05022704001
wera_05022704001
wera_05022704001
wera_05022704001
wera_05022704001
wera_05022704001

WERA 3950 PKL socket spanner metric stainless steel 4 x 137 mm - 05022704001

9.24 tax incl.
€7.64 excl. VAT (incl. all environmental contributions)
On order: delivered from 30/05/2026
each

  • Ordered before 20:00 - delivered as of 30/05/2026
  • Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
  • Delivery by DHL
  • Delivered from Belgium

Scope of delivery

  • 3950 PKL L-key, metric, stainless, 4 x 137 mm

Product description

High quality L-keys out of stainless steel for hexagonal socket screws by Wera. Stainless steel prevents the formation of extraneous rust. The Hex-Plus profile offers a larger contact surface within the screw head. This reduces the notching effects to a minimum and almost completely eliminates the risk of destroying the screw recess. Hexagonal ballpoint end on the long arm: the ballpoint drive profile means that it is possible to swivel the tool axis away from the screwdriving axis, thus enabling "round the corner" screwdriving.

  • L-keys for hexagonal socket screws
  • Hex-Plus allows socket head screws to live longer
  • Stainless L-keys prevent extraneous rust on stainless screws
  • Hexagonal ballpoint on the long arm
  • Metric

Application

  • Hexagon socket screws

Design

  • Stainless steel

Tip

  • Hex-Plus, ball-end hexagon on long arm

Features and benefits

  • Stainless L-keys are hardened to the same strength as conventional (carbon) steel tools, and prevent extraenous rust forming.
  • The stainless steel tools from Wera are vacuum ice-hardened and have the hardness and strength needed for screw connections. There are no limitations to the industrial applications they are suitable for.
  • Hexagon screws can endure a problem because the contact surfaces delivering the power from the conventional tool, is transferred to the screw via very small surface areas. The consequence: the screw can become damaged (rounding out). Hex-Plus tools have a greater contact surface that prevents this from happening! At the same time, as much as 20 % more torque can be applied. Good to know: Hex-Plus tools fit into every standard hexagon socket screw!
  • The spherical drive profile means that it is possible to swivel the axis of the tool to that of the screw, and therefore enable angled, "around-the-corner" screwdriving jobs.
  • The size of each L-keys has been engraved by a laser. In addition Take it easy L-keys have a colour coding according to sizes - for simple and rapid accessing of the required tool. Making it easy to find the right tool.
Key features according to our expert
  • Width across flats: 4 mm
  • Non-sparking: No
  • Overall length: 137 mm
  • Blade length: 137 mm
  • Surface treatment: None
  • Short arm length: 24 mm
  • With safety colour code 1000V: Not applicable
  • VDE approved: No
  • Handle type: Not applicable
  • With handle: No
  • With ball head: Yes
Specifications / All features
  • Brand: WERA
  • EAN: 4013288111302
  • Supplier number: WERA 05022704001
Width across flats
4 mm
Non-sparking
No
Overall length
137 mm
Blade length
137 mm
Surface treatment
None
Short arm length
24 mm
With safety colour code 1000v
Not applicable
Vde approved
No
Handle type
Not applicable
With handle
No
With ball head
Yes
Blade length short
24 mm
Blade length (inches)
5 3/8" inch
Blade length short (inches)
1" inch
Wrench size
4.0 mm
Questions about this product?
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