Socket screwdriver Wiha PicoFinish 42450, metric 4.0 mm

Socket screwdriver Wiha PicoFinish 42450 with a 4.0 mm metric tip and a 60 mm blade length. Part of the PicoFinish line, this compact socket screwdriver is intended for precise fastening on small fasteners and components and is suitable for use in electronics, electrical work and fine mechanical assemblies. The design provides controlled torque transfer and comfortable handling for accurate and repeatable results.

Advantages

The Wiha PicoFinish 42450 offers a compact size for access in confined spaces, a precisely manufactured 4.0 mm metric tip for a reliable fit on matching fasteners, and a 60 mm blade length that balances reach and control. The tool enables controlled torque transfer and ergonomic handling for repeated precision tasks.

Suitable for

Key specifications

How to use

Select the PicoFinish 42450 when a 4.0 mm metric socket is required. Insert the tip into the matching fastener head, apply steady, controlled torque and turn until the fastener is tightened or loosened as needed. Use the 60 mm blade length to reach recessed or confined fasteners while maintaining hand control. Inspect the tip and fastener engagement to avoid rounding.

Recommendations

Use the tool only on appropriate 4.0 mm metric fasteners to avoid damage. Keep the tip clean and check for wear; replace the tool if the tip becomes rounded. For electrical work, follow safety procedures and disconnect power where required.