This tool can be used for precious metal plugs like platinum plugs. It is preferred over coin style adjusters as this tool can adjust the gap without applying pressure to the center electrode which can cause damage to the electrode.
Performance Tool Round Spark Plug Gauge, 8 Sizes, Model# W1623C

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- For use with newer autos with high energy engines.
- Accurately set spark plugs with electrode tool included.
- 8 durable round wire blades in decimal and metric sizes
- SAE Sizes: .025, .030, .035, .040, .044, .054, .060 and .080"
- Metric Sizes: .635, .762, .889, 1.01, 1.11, 1.37, 1.52 and 2.03mm
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