What fastener size is this open-ended spanner suitable for?

This Wiha open-ended spanner is designed for 7 mm fasteners.

Is this tool approved for electrical work?

Yes, it is VDE tested and insulated according to IEC 60900 for work up to 1000 V AC.

What is the total length of this spanner?

The overall length of this tool is 90 mm.

Is this spanner non-sparking?

No, this spanner is not non-sparking.

Does the spanner feature an angled jaw for tight spaces?

Yes, the 15° jaw angle makes fastening easier in confined areas.

WIHA 43027 socket spanner insulated 7 mm

Name: WIHA 43027 socket spanner insulated 7 mm
Brand: WIHA
SKU: 08073192
Price: 17.95 EUR
Availability: PreOrder

Supplier number: WIHA 43027 | EAN 4010995430276

17.95 tax incl.

€14.83 excl. VAT (incl. all environmental contributions)

On order: delivered from 13/10/2026

Ordered before 20:00 - delivered as of 13/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Safe fastening on live electrical parts

Practical benefits

Reliable certified insulation: The tested VDE insulation protects you while working on live electrical components up to 1000V AC.
Wiha 43027 in confined spaces: With a 15° jaw angle, you easily access and tighten connections in tight or awkward spots.
Compact total length: Measuring 90 mm long, this 7 mm wrench gives you optimal control and maneuverability for precision work.

In a nutshell

The right choise for

With the Wiha 43027 246158 insulated open-ended spanner, you work safely and confidently on live electrical components up to 1000V AC. The certified vde insulation protects you from short circuits and electrical hazards while working on control cabinets, distribution boards, and terminal strips. Thanks to the practical 15° jaw angle, you can easily slide the tool laterally onto 7 mm hexagonal fasteners in tight spots where sockets or ring spanners cannot fit. Measuring a compact 90 mm in length, it gives you excellent precision and control during delicate fastening tasks.

Product information FAQ

€17.95

tax incl.

Key features according to our expert

Width across flats 1: 7 mm
Length: 90 mm
Non-sparking: No
VDE approved: Yes
With safety colour code 1000V: No

Product description:

Wiha Single, insulated open-end spanner (43027)

Features:

Offers you full protection: Each tool individually tested at 10,000 V AC and approved for 1,000 V AC.
Improved access: Through the 15° position of jaws, light work is made of fastening even in restricted spaces.
Application: Safe installation of terminals and sleeves, conductor connections and fastening of conductor lines. For work in the area of live parts up to 1,000 V AC.
Safety is the top priority when users are working on live parts. The insulated single open-end spanner is the ideal tool for electricians and electricity specialists. With 15° jaw positioning, the installation of terminals and sleeves in restricted spaces becomes child's play. The insulated single open-end spanners undergo individual piece testing as per the international IEC 60900 standard, thus providing users with a tool to work safely on live parts up to 1,000 V AC.
For applications in electrics

All Features

Width across flats 1: 7 mm
Length: 90 mm
Non-sparking: No
Vde approved: Yes
With safety colour code 1000v: No
Blister pack: No
Hexagon head 1 (mm): 7 mm
Vde article: Yes
Mit batterie: No
Esd article: No
Overall length (mm): 90 mm

Brand WIHA
08073192
EAN 4010995430276
Supplier number WIHA 43027

Frequently asked questions about this product

Answered by specialists

What fastener size is this open-ended spanner suitable for?: This Wiha open-ended spanner is designed for 7 mm fasteners.
Is this tool approved for electrical work?: Yes, it is VDE tested and insulated according to IEC 60900 for work up to 1000 V AC.
What is the total length of this spanner?: The overall length of this tool is 90 mm.
Is this spanner non-sparking?: No, this spanner is not non-sparking.
Does the spanner feature an angled jaw for tight spaces?: Yes, the 15° jaw angle makes fastening easier in confined areas.