Quickly and accurately set your spark plug gap with this easy-to-use adjustment tool set. Incorrect gaps can cause poor ignition, power loss, and higher fuel consumption—this tool helps avoid those issues. Fits most 10–16mm spark plugs (not compatible with 18mm). Comes with 32 feeler gauges ranging from 0.0015" to 0.035" (0.04–0.88mm), covering common vehicle specs. Simply insert the plug, turn the knob to adjust, and check with the gauge. Repeat until the desired gap is reached. Durable alloy steel construction with precision gauges ensures reliable performance. A practical tool for garages, mechanics, and DIY users. Includes: 1 spark plug gap tool + 32 feeler gauges.
