Bernstein Watchmaker´s Screwdriver 2.3mm - Black

Bernstein 4-384 Watchmaker's Screwdriver 2.3mm Plastic Handle. This compact watchmaker's screwdriv...

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Product Information

Full details

The Bernstein 4-384 Watchmaker's Screwdriver is designed for professionals and hobbyists requiring precision in small-scale tasks, particularly with slotted screws. Its key benefit is the high-precision tip and comfortable swivel top for accurate adjustments. A potential caveat is its specialized nature, making it less suitable for general-purpose screwdriving. This tool features a burnished chrome vanadium slotted blade, a color-coded plastic handle with a swivel top for ease of use, and a compact design.

All features

Age Groupadult
ColourBlack
GenderUnisex
Model Part Number4-384
BrandBernstein

Extended Product Information

FAQs

What is the primary use for this screwdriver?

This screwdriver is designed for precision tasks, particularly for slotted screws found in watchmaking, electronics, and model building.

What is the size of the screwdriver blade?

The screwdriver has a slotted blade with a tip size of 2.3mm.

How do I prevent rust on the blade?

Always keep the blade dry and consider applying a light coat of oil for storage, especially in humid conditions. Avoid touching the blade with bare fingers.

What are the dimensions of the screwdriver?

The overall length is 104mm, with a blade length of 18mm and a shaft length of 1.4 cm. It weighs approximately 3g.

Is this screwdriver suitable for general home repairs?

Due to its specialized small tip size, it is best suited for precision work rather than general-purpose home repairs.

What material is the blade made of?

The blade is made of burnished chrome vanadium steel (molybdenum-vanadium steel), known for its durability.

Where is this screwdriver manufactured?

This screwdriver is 100% made in Germany.

Troubleshooting

Blade appears rusty

Wipe the blade dry. For minor rust, gently polish with a fine grinding material or apply a light machine oil for storage. Ensure the tool is stored in a dry environment.

Difficulty turning screws

Ensure the screwdriver blade is fully seated in the screw slot and that the screw is not damaged or stripped. Check if the screw size matches the 2.3mm tip.

Swivel top is stiff

Gently clean the swivel mechanism. If necessary, apply a very small amount of appropriate lubricant designed for precision tools, ensuring it does not contaminate the blade.

Pros and Cons

Pros

  • Excellent precision for watchmaking and electronics.
  • Comfortable and ergonomic swivel top for controlled operation.
  • Durable materials ensure a long service life.
  • Lightweight and compact for intricate tasks.
  • High-quality German manufacturing.

Cons

  • Specific tip size (2.3mm) limits its use to compatible screws.
  • Not suitable for general-purpose or heavy-duty screwdriving.
  • Requires careful maintenance to prevent flash rust on the blade.
  • Blade length is short, which might be a limitation for some tasks.

Setup, Compatibility & Care

Setup: This is a single-piece tool; no setup is required beyond selecting it for the appropriate screw type.

Compatibility: Primarily designed for slotted screws with a 2.3mm width. It is ideal for watchmaking, electronics repair, model building, and other precision mechanics.

Care: To prevent flash rust, which can occur due to high humidity or finger contact (sweat), always keep the blades dry. For storage, consider rubbing the blade with a drop of oil. If rust does form, it can typically be removed with a gentle grinding or polishing action.

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