Is this extension suitable for live electrical work?

Yes, it is VDE-approved according to IEC 60900 and individually tested at 10,000 V AC for safe work up to 1,000 V AC.

What drive size and connection types does it have?

It features a 1/4" internal square drive on one end and a 1/4" external square drive on the other.

What is the total length of this extension?

The extension is 150 mm long, making it easy to reach deep-set screws and bolts.

Is this tool non-sparking?

No, this extension is insulated for electrical safety, but it is not non-sparking.

Which tools can you combine this extension with?

You can use it with insulated 1/4" socket inserts, ratchet wrenches, or T-handle adapters.

WIHA 246198 extension piece insulated 1/4" square adapter for socket wrench inserts insulated 150 mm - 43060

Name: WIHA 246198 extension piece insulated 1/4" square adapter for socket wrench inserts insulated 150 mm - 43060
Brand: WIHA
SKU: 08073221
Price: 28.4 EUR
Availability: PreOrder

Supplier number: WIHA 43060 | EAN 4010995430603

28.40 tax incl.

€23.47 excl. VAT (incl. all environmental contributions)

On order: delivered from 12/10/2026

Delivery by DHL

✆ Talk to a specialist

Effortless reach for recessed fastenings

Practical benefits

Certified electrical safety: Fully tested to IEC 60900 standards, this Wiha extension protects you during work on live parts up to 1,000 V AC.
Extended reach for deep bolts: The 150 mm length allows you to access low-lying fasteners inside confined electrical enclosures effortlessly.
Secure square drive connection: With 1/4" internal and external square drives, you connect your insulated sockets securely for efficient torque transfer.

In a nutshell

The right choise for

With the Wiha 246198 insulated extension, you effortlessly reach deep-seated screws and bolts in confined control cabinets and enclosures. Its 150 mm length provides the extended reach you need while maintaining full fastening control. Certified to iec 60900 vde standards, it ensures dependable electrical safety when working on live components up to 1,000 V AC. The standard 1/4" internal and external square drives securely connect to your insulated sockets, ratchets, or T-handles for solid torque transfer. It gives you the confidence and access required for demanding electrical installations and maintenance tasks.

Product information FAQ

€28.40

tax incl.

Key features according to our expert

Connection size 1: 1/4"
Connection type 1 (extension): Outer square
Connection type 2 (extension): Internal square
Length: 150 mm
VDE approved: Yes
Non-sparking: No
Connection size 2: 1/4"

Product description

Offers you full protection: Each tool individually tested at 10,000 V AC and approved for 1,000 V AC.
Improved access: Deep-set screws can be reached easily.
Product dimensions: 150 x 18 x 18 mm (LxWxD)
Safety is the top priority when users are working on live parts. Combined with the insulated ratchet wrench or T-handle adapter, the insulated extension enables easy access to deep-set screws and bolts. The insulated extension is subject to individual piece testing as per the international IEC 60900 standard, thus ensuring safe work on live parts up to 1,000 V AC.

All Features

Connection size 1: 1/4"
Connection type 1 (extension): Outer square
Connection type 2 (extension): Internal square
Length: 150 mm
Vde approved: Yes
Non-sparking: No
Connection size 2: 1/4"
Overall length (mm): 150 mm
Self service - packing: No
Vde certified: Yes
With battery / rechargeable battery: No
Tool for electrics: Yes
Square 1 (inch): 1/4"
Esd article: No
Square diameter (mm): 1/4"

Brand WIHA
08073221
EAN 4010995430603
Supplier number WIHA 43060

Frequently asked questions about this product

Answered by specialists

Is this extension suitable for live electrical work?: Yes, it is VDE-approved according to IEC 60900 and individually tested at 10,000 V AC for safe work up to 1,000 V AC.
What drive size and connection types does it have?: It features a 1/4" internal square drive on one end and a 1/4" external square drive on the other.
What is the total length of this extension?: The extension is 150 mm long, making it easy to reach deep-set screws and bolts.
Is this tool non-sparking?: No, this extension is insulated for electrical safety, but it is not non-sparking.
Which tools can you combine this extension with?: You can use it with insulated 1/4" socket inserts, ratchet wrenches, or T-handle adapters.