Metric Inch Spark Plug Gauge, Spark Plug Tool, Durable Wear-resistant for Measuring Spark Plug Adjustment Spark Plug - Product Features
- Chrome-plated round shell, wear resistant and no rust.
- Firm rivet linked structure, anti-impact and durable in use.
- Used to measure and adjust spark plug gap.
- Surface printed with both metric and inch reading.
- Heat treated spring steel wire, high hardness and not easy to deform.