What are the dimensions of this L-key?

This L-key has a 12 mm hex size, a long arm length of 248 mm, and a short arm length of 45 mm.

What is the benefit of the Hex-Plus profile?

Hex-Plus provides a larger contact surface in the screw head to prevent rounding out and allow higher torque transfer.

What is the purpose of the ball end on the long arm?

The ball end allows you to swivel the tool at an angle, making it easier to work in confined or awkward spaces.

What are the benefits of the BlackLaser surface treatment?

The BlackLaser finish offers excellent corrosion protection and ensures a long tool service life.

Is this L-key insulated for electrical work?

No, this L-key is not VDE certified and is not insulated for working on live electrical circuits.

WERA 950 PKL BM socket spanner metric blacklaser 12 x 248 mm - 05027111001

Name: WERA 950 PKL BM socket spanner metric blacklaser 12 x 248 mm - 05027111001
Brand: WERA
SKU: 02833021
Price: 8.8 EUR
Availability: PreOrder

Supplier number: WERA 05027111001 | EAN 4013288095084

Recommended Retail Price €17.51

8.80 tax incl.

€7.27 excl. VAT (incl. all environmental contributions)

On order: delivered from 23/10/2026

The minimum purchase order quantity for the product is 5.

Delivery by DHL

✆ Talk to a specialist

Reliable fastening with the Wera L-key

Practical benefits

Prevents rounded screw heads: The specialized contact geometry provides larger contact surfaces to ensure you do not strip out fastener recesses under high loads.
Smooth off-axis screw access: The integrated ball-end on the 248 mm arm allows you to work around obstructions and fasten at an angle.
Long-lasting corrosion protection: A durable BlackLaser surface treatment protects your 12 mm hex tool from rust and preserves optimal fit over time.

In a nutshell

The right choise for

With the Wera 950 pkl bm L-key, you can tackle heavy-duty 12 mm hexagon socket screws with confidence and control. The smart Hex-Plus profile delivers a larger contact surface inside the screw head, preventing rounded recesses and allowing higher torque transfer. Its 248 mm long arm provides extended reach and substantial leverage for tough fastening jobs. When working in confined spots where straight access is blocked, the integrated ball end on the long arm allows smooth off-axis screwdriving at an angle. Finished with the durable BlackLaser surface treatment, this L-key offers outstanding corrosion resistance and lasting reliability in your workshop.

Product information FAQ

€8.80

tax incl.

Key features according to our expert

Width across flats: 12 mm
With ball head: Yes
With handle: No
Handle type: Not applicable
VDE approved: No
With safety colour code 1000V: No
Non-sparking: No
Blade length: 248 mm
Short arm length: 45 mm
Overall length: 248 mm

Scope of delivery

950 PKL BM L-key, metric, BlackLaser, 12 x 248 mm

Product description

High quality L-keys for hexagonal socket screws. Hex-Plus 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. The ball-end on the long arm allows for reliable working even in difficult installation situations. The BlackLaser surface treatment provides outstanding surface protection, even against corrosion, and a long service life. The tools are quickly to hand thanks to the laser-engraved and thereby wear-resistant size markings on the L-keys.

L-keys for hexagonal socket screws
Hexagonal socket wrench with Hex-Plus advantage for a longer screw life
Hexagonal ballpoint on the long arm
BlackLaser for high corrosion protection and long service life
Metric

Application

Hexagon socket screws

Design

BlackLaser surface

Tip

Hex-Plus, ball-end hexagon on long arm

Features and benefits

We questioned the classic L-key design, since all too often the screw head recess is rounded out, meaning screws can no longer be tightened or loosened - and so the user finds the L-key slipping out of the recess. Wera Hex-Plus tools have a larger contact surface in the screw head. The notching effects are reduced and thereby the deformation of the screws. At the same time, as much as 20 % more torque can be applied.
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.
L-keys with BlackLaser surface treatment for outstanding surface protection and long service life. High corrosion protection.

All Features

Width across flats: 12 mm
With ball head: Yes
With handle: No
Handle type: Not applicable
Vde approved: No
With safety colour code 1000v: No
Non-sparking: No
Blade length: 248 mm
Short arm length: 45 mm
Overall length: 248 mm

Brand WERA
02833021
EAN 4013288095084
Supplier number WERA 05027111001

Frequently asked questions about this product

Answered by specialists

What are the dimensions of this L-key?: This L-key has a 12 mm hex size, a long arm length of 248 mm, and a short arm length of 45 mm.
What is the benefit of the Hex-Plus profile?: Hex-Plus provides a larger contact surface in the screw head to prevent rounding out and allow higher torque transfer.
What is the purpose of the ball end on the long arm?: The ball end allows you to swivel the tool at an angle, making it easier to work in confined or awkward spaces.
What are the benefits of the BlackLaser surface treatment?: The BlackLaser finish offers excellent corrosion protection and ensures a long tool service life.
Is this L-key insulated for electrical work?: No, this L-key is not VDE certified and is not insulated for working on live electrical circuits.