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wera_05075800001
wera_05075800001
wera_05075800001
wera_05075800001

WERA Safe-Torque A 1 torque spanner with 1/4" square drive, 2-12 Nm, 1/4" x 2-12 Nm - 05075800001

Supplier number: WERA 05075800001 | EAN 4013288223012
Recommended Retail Price €511.77
214.80 tax incl.
€177.52 excl. VAT (incl. all environmental contributions)
On order: delivered from 15/10/2026

  • Ordered before 20:00 - delivered as of 15/10/2026
  • Free shipping
  • Delivery by DHL

Controlled precision with the Wera Safe-Torque A 1

Practical benefits
  • Protected against excessive over-tightening: The slip-over release mechanism ensures you never exceed the preset torque, protecting sensitive materials from potential damage.
  • Versatile standard ratchet use: You can deactivate the torque mechanism via Torque Lock, turning the tool into a conventional ratchet for tough fastening tasks.
  • Smooth movement in tight spots: With 72 teeth and a small 5° return angle, you easily access and tighten fasteners in confined spaces.

In a nutshell

The right choise for

With the Wera Safe-Torque a 1 torque wrench, you achieve controlled fastening without any risk of damaging sensitive components. The slip-over Safe-Torque release mechanism ensures you never exceed your preset torque within the 2 Nm to 12 Nm range, making it ideal for delicate bike components, electronics, and automotive sensors. Thanks to the Torque Lock function, you can quickly deactivate the torque mechanism to use the tool as a standard ratchet for loosening fasteners. The fine-toothed 72-tooth gear with a tight 5° return angle offers effortless maneuvering in confined spaces, while the 1/4" square drive with ball lock holds your sockets firmly in place. You get complete control and dependable precision on every task.



€214.80
tax incl.

Product information

Key features according to our expert

  • Max. tightening torque: 12 Nm
  • Drive profile size: 1/4"
  • VDE approved: No
  • With safety colour code 1000V: Not applicable
  • ESD: No
  • Display: Analogue
  • Min. tightening torque: 2 Nm
  • Product Range: Wera Safe-Torque

Scope of delivery

  • Safe-Torque A 1 torque wrench with 1/4" square head drive, 2-12 Nm, 1/4" x 2-12 Nm

Product description

Torque wrench with slide-over mechanism. Once the set torque has been reached, the tool cannot be overtightened, so that excessive torque cannot be applied. Setting range of 2 to 12 Nm for controlled clockwise and counterclockwise torque operation. Easy setting and saving of the default value: The audible and tactile clicks on reaching the scale values facilitate the safe setting of the desired torque value. With Torque Lock function for use as a standard ratchet without torque function. Max. breaking torque of the 1/4" square head as per DIN 3122. The return angle of only 5° allows the ratchet to be used even in confined spaces and therefore also for applications with angles of rotation.

  • Slip-over release mechanism - the set torque can never be overtightened
  • Torque Lock function: The torque function can be deactivated and the tool can then be used as a standard ratchet with high loosening moments and for applications with defined angles of rotation
  • For controlled clockwise and counterclockwise torque operation - tightening and loosening with or without torque
  • Easy setting and saving of the desired torque value with audible and tactile clicks when reaching the scale values
  • After the target torque has been reached, the release angle is only 30°

Application

  • For controlled clockwise and counterclockwise torque operation; tightening and loosening with or without torque

Torque range

  • 2-12 Nm

Suitable for

  • 1/4" sockets

Precision

  • Accuracy ± 10 % of the set value

Design

  • With 1/4" square head drive, torque wrench, disengageable torque function (Torque Lock function); 72 teeth; low return angle of 5°; easy setting and saving of the desired torque value, with audible and tactile locking when the scale values are reached, slip-over release mechanism when the set torque is reached

Handle

  • Ergonomic 2-component handle

Features and benefits

  • The Safe-Torque A 1 torque wrench has 1/4" square head mounting and is suitable for 1/4" sockets.
  • The Safe-Torque A 1 torque wrench is equipped with a slide-over mechanism. Once the set torque value has been reached, the tool cannot be overtightened, so that excessive torque cannot be applied.
  • The torque function can be deactivated. The Safe-Torque torque wrench can then also be used as a standard ratchet with high loosening moments and for applications with defined angles of rotation.
  • The Safe-Torque torque wrench is suitable for clockwise and counterclockwise operation with a set torque. When the Torque Lock function is deactivated, tightening and loosening is enabled without torque.
  • Easy setting and saving of the required torque with audible and tactile clicks on reaching the scale values.
  • The fine-toothed Safe-Torque torque wrench with 72 teeth has a back-pivoting angle of only 5°. The small stroke offers quick and precise working in all installation positions.
  • The Safe-Torque A 1 torque wrench has 1/4" square head mounting and is suitable for 1/4" sockets.
  • The ball lock ensures secure seating of the sockets and accessories and therefore also reliable safety during screwdriving. A short press on the release button on the ratchet head and the ball lock is released.

All Features

Max. tightening torque
12 Nm
Drive profile size
1/4"
Vde approved
No
With safety colour code 1000v
Not applicable
Esd
No
Display
Analogue
Min. tightening torque
2 Nm
Product range
Wera Safe-Torque
  • Brand WERA
  • EAN 4013288223012
  • Supplier number WERA 05075800001

Frequently asked questions about this product

Answered by specialists
What is the torque range of this torque wrench?
The adjustment range is 2 Nm to 12 Nm, designed for controlled clockwise and counterclockwise torque applications.
Can you overtighten fasteners with this tool?
No, the Safe-Torque slip-over mechanism prevents overtightening once the preset torque value is reached.
Can you use this tool as a standard ratchet?
Yes, the Torque Lock function allows you to disengage the torque mechanism for high loosening moments or angle applications.
What drive size does the Wera Safe-Torque A 1 feature?
It features a 1/4" square drive with a secure ball lock for standard 1/4" sockets.
Is this torque wrench VDE-insulated or ESD-safe?
No, this model is neither VDE-certified nor ESD-safe.
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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