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This is a genuine Bergeon 7026-7 precision tweezer, a Swiss-made tool crafted from high-quality steel for watchmakers and jewellers. With a length of 120 mm, it features a #7 profile (angled tips, approximately 1.60mm width), which is specifically designed for safe handling of delicate components during assembly or repair. The tips are made of anti-magnetic steel, preventing magnetization of sensitive watch movements .
Proper Tweezer Technique :
Grip: Hold the tweezers between thumb and index finger, approximately midway along the handle for optimal balance and control.
Pressure Control: Apply light, controlled pressure – excessive force can damage components or cause the tweezers to slip.
Component Handling: Use the angled tips to access components in tight spaces, such as under the balance wheel or around the escapement.
Avoid Slipping: Keep the tips clean and free of oil to prevent components from slipping.
Primary Applications for 7026-7 :
Fitting and removing watch hands (the angled tips provide better access)
Handling small screws and springs in confined areas
Manipulating components near the balance wheel
General assembly and disassembly of watch movements
Important Handling Tips:
Always use the correct tweezer type for the task – the 7026-7 is specifically designed for angled access
Do not use excessive force – the tips are precision-ground and can be damaged
Keep the tips aligned – if they become misaligned, the tweezer will not function properly
After Each Use:
Wipe the tips and handle with a soft, lint-free cloth
Remove any metal dust or debris that may have accumulated
Inspect the tips for alignment, wear, or damage
Cleaning:
Use a soft cloth slightly dampened with isopropyl alcohol for stubborn residue
Do not soak the tweezers in any liquid
Avoid abrasive materials that could scratch the surface
Tip Maintenance:
If the tips become misaligned, they can be gently adjusted using smooth-jaw pliers
Minor burrs can be removed using a fine sharpening stone
Do not file aggressively – this will alter the precision and temper of the steel
Storage:
Store in a dry environment to prevent rust
Keep in a protective case or dedicated tweezer holder to prevent tip damage
Do not store with pressure applied to the tips
When to Replace:
Tips are chipped or cracked
The tweezers no longer grip properly (loss of spring tension)
Tips are bent or deformed beyond repair
Visible corrosion or pitting on the steel
Q1: Is this tweezer anti-magnetic?
A: Yes. The 7026-7 is made from anti-magnetic steel, which prevents the tweezers from becoming magnetized and transferring magnetism to sensitive watch movement components such as the hairspring and balance wheel .
Q2: Can I use this tweezer for handling watch hands?
A: Yes. The 7026-7 is specifically designed for fitting and removing hands . The angled tips provide better access to the hand mounting area, and the polished tips help prevent scratching the hands.
Q3: How do I clean the tweezers?
A: Wipe with a soft, lint-free cloth after each use. For stubborn residue, use isopropyl alcohol on a cloth – do not soak. Avoid abrasive materials that could damage the polished tips. Keep the tips clean to ensure proper grip.
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