Stahlwille Precision Feeler Gauge Set - 20 Blade - 0.05 - 1.00mm
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Full details
The Stahlwille Precision Feeler Gauge Set (74240002) is an essential diagnostic tool for automotive mechanics and precision engineers who need to verify critical clearances. With its 20 high-quality metric blades spanning from 0.05mm to 1.00mm, it provides the accuracy required for valve adjustments and machine calibration, though users should be careful to handle the thin blades gently to prevent permanent bending.
All features
| Model Part Number | 74240002 |
|---|---|
| Brand | Stahlwille |
Extended Product Information
FAQs
What is the smallest measurement in the set?
The set starts at 0.05mm.
Are these gauges suitable for checking spark plug gaps?
Yes, they are highly suitable for checking spark plug gaps on engines specifying metric tolerances.
Can I remove individual blades from the set?
The set is designed as a single unit with a central pivot, though it can be disassembled if maintenance is required.
Are these blades flexible?
Yes, they are made from thin spring steel, but care must be taken not to bend them beyond their yield point.
What should I do if a blade gets bent?
If a blade is permanently deformed, it should be replaced, as a bent gauge will no longer provide an accurate measurement.
Troubleshooting
Difficulty reading size markings
Clean the blade with a mild solvent and ensure good lighting; if markings are obscured by grime, avoid using abrasive materials that could scratch the surface.
Blade feels stiff when folding
Check the pivot screw at the base of the case and ensure no debris is trapped in the hinge; a tiny drop of lubricant can help if the pivot is dry.
Pros and Cons
Pros
- Comprehensive 20-blade range for diverse measurement needs
- Durable nickel-plated housing resists shop debris and rust
- Tapered blade profile fits into tight mechanical clearances
- Clearly marked individual blade sizes for quick identification
- Professional-grade quality suitable for industrial standards
Cons
- Thin blades can easily bend if forced into gaps
- No locking mechanism for individual blades during use
- Lack of imperial measurement markings
Setup, Compatibility & Care
The tool requires no assembly; simply select the desired blade from the fold-out nickel-plated case. To maintain accuracy, always ensure that both the blades and the measurement surface are free of grit, oil, or debris, as contaminants can cause false readings. After use, wipe each blade with a clean, lint-free cloth and apply a very light coat of machine oil before folding them back into the case to prevent oxidation. Store the tool in a dry area to preserve the integrity of the nickel plating and the precision calibration of the steel.