Universal Gap Gauge Caliper Adjustment Tool for 10mm, 12mm, and 14mm threaded spark plugs.Compatible with cars, motorcycles, ADV, ATV, UTV, motocross, buggies, bikes, and similar vehicles.The tool features a compact, lightweight design constructed from aluminum.It includes adjustable calipers for precise gap measurement and adjustment.To use, insert the into the tool, measure the gap using a feeler gauge, then turn the knob to apply controlled pressure for accurate gap adjustment.The design helps minimize electrode damage, slippage, and scratches during adjustment.Includes one gap gauge and one gap adjustment tool.
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