Manual screwdriver Wiha 42419 Single Precision screwdriver Width 18 mm Length 160 mm Weight 24 g

The Wiha Single Precision screwdriver model 42419 is a manual screwdriver designed for fine mechanical and electronic work. With an overall length of 160 mm and a blade width of 18 mm, this tool balances compactness and reach while weighing only 24 g. The ergonomic handle provides a secure grip to support controlled turns and precise alignment of fasteners in confined or delicate assemblies.

Advantages

The compact 160 mm length and low weight reduce hand fatigue during repetitive precision tasks. The 18 mm blade width offers stable contact with screws, improving torque transfer and reducing the risk of slippage. The ergonomically shaped handle enhances comfort and control, making the tool suitable for sustained use in tight spaces and small assemblies.

Suitable for

Key specifications

How to use

Select the appropriate screwdriver tip size and align the blade with the screw head. Apply gentle axial pressure to keep the blade engaged, then turn the handle with controlled, even motion to tighten or loosen the screw. For delicate components, use minimal force and make small incremental turns to avoid damaging threads or surrounding parts. Store the screwdriver in a protective case or tool organizer to prevent tip damage and maintain precision.

Recommendations

Use this manual precision screwdriver for tasks where control and minimal torque are required. Avoid applying excessive force to prevent deformation of the blade or damage to small screws. Regularly inspect the blade for wear and replace the tool if the tip shows signs of rounding or slipping.