Coin-Type Spark Plug Gap Gauge 0.6–2.4mm | Portable Gap Tool
Coin-Type Spark Plug Gap Gauge 0.6–2.4mm | Portable Gap Tool
Coin-Type Spark Plug Gap Gauge – Precise Measurements in Your Pocket
Keep your engine running at peak efficiency with this compact, coin-style spark plug gap gauge. Measuring just 3.8 × 3.8 × 0.3 cm, this die-cast iron tool delivers accurate gap readings from 0.6 to 2.4 mm (0.02 to 0.10 inches) — everything you need to properly set spark plug clearances on cars, motorcycles, lawn mowers, and more. Its keyring-friendly design means it's always within reach whether you're in the garage or out on the road.
Made in Mainland China.
Key Features
- Wide Measurement Range: Covers 0.02–0.10 in (0.60–2.4 mm) to handle a broad variety of spark plug specifications across petrol engines.
- Durable Die-Cast Iron Construction: Built tough for repeated use without losing accuracy — suitable for both professional mechanics and DIY enthusiasts.
- Easy-to-Read Scale: Clear, engraved markings in both imperial and metric units make gap identification fast and stress-free.
- Compact Coin Design: Ultra-thin at just 0.3 cm — fits easily into tight engine bays and slips into any pocket or toolbox.
- Keyring Compatible: Features a hole for attaching to a keyring or tool lanyard, so it's always on hand when you need it.
- Multi-Finish Options: Available in Silver, Gold, and Rose Gold to suit your style.
Specifications
| Material | Die-Cast Iron |
| Measurement Range | 0.60–2.4 mm / 0.02–0.10 in |
| Dimensions | 3.8 × 3.8 × 0.3 cm |
| Color Options | Silver, Gold, Rose Gold |
| Package Contents | 1 × Spark Plug Gap Gauge |
How to Use
- Select the stepped notch on the gauge that matches the gap specification in your vehicle's manual.
- Slide the appropriate step between the spark plug electrodes.
- Read the measurement directly from the engraved scale.
- Adjust the electrode gap as needed and recheck until the correct clearance is achieved.
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Note: Actual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow a slight manual measurement deviation.
Learn more: FuelEconomy.gov driving efficiency guidance
Frequently Asked Questions
Q: What vehicles is this spark plug gap gauge compatible with?
A: This coin-type spark plug gap gauge is compatible with most petrol-powered vehicles including cars, motorcycles, ATVs, lawn mowers, and small engines that require a spark plug gap within the 0.60–2.4 mm (0.02–0.10 inch) range. Always consult your vehicle's owner manual for the manufacturer-specified gap.
Q: Is this spark plug gap tool suitable for professional mechanics?
A: Absolutely. The die-cast iron construction and precision engraved scale make this gap gauge reliable enough for professional workshop use, while its compact, portable coin design also makes it perfect for home DIY mechanics who need a quick, accurate measurement tool on hand.
Q: Can I carry this gap gauge on my keyring?
A: Yes! The gauge features a small hole specifically designed for attaching to a keyring or tool lanyard. Its slim 0.3 cm profile means it adds virtually no bulk, making it a convenient everyday carry for anyone who works with engines regularly.