What is the purpose of the integrated side drive on this key?

The through-handle side drive delivers maximum torque to easily loosen rusted, jammed, or tightly fastened screws.

What are the dimensions of this Wiha 334DS hex key?

It features a 4 mm hex drive width, a 150 mm long blade, and an 80 mm short blade section at the handle.

Is this hex key rated for electrical live-line work?

No, it is not VDE-approved and does not have a 1000V insulation rating. Do not use on energized components.

What advantage does the ComfortGrip T-handle provide?

The ergonomic multi-component handle with soft zones reduces hand pressure and muscle fatigue when applying high torques.

How is the blade protected against rust and wear?

The blade is made of through-hardened chrome-vanadium steel with a satin chrome finish for long-lasting corrosion resistance.

WIHA 334DS spanner with cross handle hexagonal ball head with side tip matt chrome plated 4.0 x 150 mm - 45434

Name: WIHA 334DS spanner with cross handle hexagonal ball head with side tip matt chrome plated 4.0 x 150 mm - 45434
Brand: WIHA
SKU: 03274104
Price: 5.35 EUR
Availability: PreOrder

Supplier number: WIHA 45434 | EAN 4010995454340

5.35 tax incl.

€4.42 excl. VAT (incl. all environmental contributions)

On order: delivered from 08/10/2026

Ordered before 20:00 - delivered as of 08/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

High torque fastening with the Wiha handle

Practical benefits

Ergonomic comfortable grip: The soft-zone handle fits comfortably in your hand, reducing pressure points during demanding fastening tasks.
Integrated side drive: The one-piece side output lets you easily apply maximum leverage to loosen rusted or stubborn screws.
Matt chrome plating: A durable chrome-plated finish protects this 150 mm hex key against corrosion and daily workshop wear.

In a nutshell

The right choise for

With the Wiha ComfortGrip V2 334DS hex key, you can easily loosen stubborn, rusted, or tightly fastened socket screws. The ergonomic T-handle with soft zones fits comfortably in your hand, reducing pressure points and hand fatigue during demanding machinery assembly or bicycle maintenance. Thanks to the through-handle blade with an integrated 80 mm side drive, you can apply maximum leverage to stubborn 4 mm fasteners. The 150 mm long blade provides effortless reach for deep-set screws, while the satin chrome-plated finish over hardened chrome-vanadium steel ensures long-lasting protection against corrosion and wear.

Product information FAQ

€5.35

tax incl.

Key features according to our expert

Width across flats: 4 mm
Non-sparking: No
Overall length: 150 mm
Short arm length: 80 mm
Surface treatment: Chrome plated
With safety colour code 1000V: No
VDE approved: No
Handle type: T-handle
With handle: Yes
With ball head: No

Product description

Product dimensions: 175 x 93 x 18 mm (LxWxD)
Application: Allows user to apply high torques without tiring and undo and fasten rusted, glued or tightly fastened screws easily.
Ergonomic and powerful fastening
With extra side drive for maximum power transmission
High-quality chrome-plated surface
The Wiha Comfort grip T-handle L-key with side drive is the tool to use when you need to apply high torques comfortably. Thanks to its ergonomic handle design with integrated soft zones, the T-handle is perfectly sized in the hand. Fewer pressure surfaces and less stress on muscles makes working with this tool a pleasure. Thanks to the one-piece blade, the integrated side drive is able to withstand maximum stress loads and enables users to undo and tighten screwed connections which have rusted, become stuck or fastened really tightly. The free hand resting on the handle ensures added stability, preventing the blade from slipping out of the screw head suddenly and thus protecting the screw and blade from damage.

All Features

Width across flats: 4 mm
Non-sparking: No
Overall length: 150 mm
Short arm length: 80 mm
Surface treatment: Chrome plated
With safety colour code 1000v: No
Vde approved: No
Handle type: T-handle
With handle: Yes
With ball head: No
Handle width (t-handle) (mm): 80 mm
Handle diameter (mm): 26 mm
Technical weight (g): 46.53 g
Length t-handle blade (mm): 150 mm
Tool for electrics: No
Internal hexagon (mm): 4 mm
Side drive, t-handle (mm): 13 mm
Esd article: No
Self service - packing: No

Brand WIHA
03274104
EAN 4010995454340
Supplier number WIHA 45434

Frequently asked questions about this product

Answered by specialists

What is the purpose of the integrated side drive on this key?: The through-handle side drive delivers maximum torque to easily loosen rusted, jammed, or tightly fastened screws.
What are the dimensions of this Wiha 334DS hex key?: It features a 4 mm hex drive width, a 150 mm long blade, and an 80 mm short blade section at the handle.
Is this hex key rated for electrical live-line work?: No, it is not VDE-approved and does not have a 1000V insulation rating. Do not use on energized components.
What advantage does the ComfortGrip T-handle provide?: The ergonomic multi-component handle with soft zones reduces hand pressure and muscle fatigue when applying high torques.
How is the blade protected against rust and wear?: The blade is made of through-hardened chrome-vanadium steel with a satin chrome finish for long-lasting corrosion resistance.