Description
Features and Benefits
- Adjustable spark gap to determine strength of coil on most small engine applications
- Highlighted marks at 4 & 6mm for most common start & end locations
- Spark plug end fits securely onto spark plug for better connection than alligator clip
- Made in USA
- Patent Pending
This tool is designed to determine the strength of coils on small engines by adjusting the tester while the engine is running.
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