Effortless Spark Plug Gap Adjustment Tool with Feeler Gauge for Cars & Bikes
(Effortless Gapping: Simply position your spark plug and use the feeler gauge to adjust the gap quickly and easily. 32-Blades Feeler Gauge Just screw the knob for exact thickness! Use 0.42mm). Compatible with most standard spark plugs: 14mm, 12mm, 10mm, and 16mm.
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