Socket screwdriver Wiha PicoFinish 42451 — metric 4.5 mm tip, precision handle

Wiha PicoFinish 42451 is a socket screwdriver with a metric 4.5 mm tip and a 60 mm blade length. The tool is designed for precise fastening and assembly tasks where small fasteners and fine torque control are required. Its compact PicoFinish handle offers tactile control for work on electronics, instruments and other small components.

Advantages

The PicoFinish handle provides good fingertip control and accuracy when turning small screws. A 60 mm blade length gives access to recessed or confined fasteners while maintaining stability. The tool is manufactured by Wiha and matches the metric 4.5 mm socket size for consistent fit and reliable torque transmission.

Suitable for

Key specifications

How to use

Select the socket screwdriver with the correct 4.5 mm tip for the fastener. Place the tip squarely into the screw head, hold the PicoFinish handle between the fingertips and apply steady, controlled torque to tighten or loosen the screw. Use the 60 mm blade to reach recessed screws; avoid excessive force to prevent damaging small components or fasteners.

Recommendations

Use the Wiha PicoFinish 42451 for precision tasks on electronics and instruments. Keep the tip clean and undamaged; replace the tool if the tip becomes rounded. Do not use the screwdriver as a pry bar or impact tool.