Precision manual screwdriver Wiha 42477, Single, length 134 mm

Wiha 42477 is a precision manual screwdriver with a total length of 134 mm designed for accurate fastening and loosening of small screws in electronics, optics and precision mechanics. Its long, slim handle and quick-turning zone enable delicate, controlled work in confined spaces and detailed assembly tasks. The ergonomic handle with a soft zone and a smooth-running rotating cap support sensitive fingertip control, while printed symbols on the cap help identify the correct profile.

Advantages

The chrome-vanadium-molybdenum steel blade with matt chrome plating provides corrosion resistance and dimensional stability. A long, slim handle and quick-turning zone allow precise torque control and fast orientation, and the rotating cap improves ergonomics for one-handed, fine adjustments. Printed screwdriver symbols on the cap simplify profile selection during work.

Suitable for

Key specifications

How to use

Select the correct screwdriver profile using the printed symbol on the rotating cap. Position the tip in the screw head and hold the handle by the soft ergonomic zone. Use the quick-turning zone and rotating cap for sensitive initial turns, then apply controlled torque with the handle to fasten or loosen the screw without damaging the workpiece.

Recommendations

Use this precision screwdriver for small, delicate screws where controlled torque and sensitive fingertip feel are required. Avoid applying excessive force or using the tool as a pry bar; inspect the tip regularly for wear to ensure accurate engagement with screw heads.