Spark Plug Spreader Tool with 32 Blades Steel Thickness Gauge and Spacer Gauge Fit Most Spark Plugs with 10mm 12mm 14mm 16mm Thread

Package Includes: 1 x Red Spark Plug Spreader Tool 1 x Thickness Gauge 1 x Spacer Gauge Spark Plug Gap Tool: The tool is made of aluminium alloy with a matte texture, allowing you to adjust the spark plug gap easily and quickly. Simply place your ignition candle on the candle spreader, then use the feeler of your choice, then slowly screw the button until you get the desired space thickness Tip for adjusting the gap: Some spark plug electrodes bounce when adjusting the gap. You can choose a thickness gauge slightly smaller than the desired gap size. In experience, a reduction of about 10% is appropriate 32-Blade Feeler Gauge: The feeler gauge is made of stainless steel, with a measuring range from 0.0015 inch (0.04 mm) to 0.035 inch (0.88 mm). Including a 0.010 inch (0.3 mm) brass blade for use with electronic ignitions. Mounting: The spark plug spreader is universal and fits most 10mm/0.39", 12mm/0.47", 14mm/0.55", 16mm/0.63" spark plugs. Not for 18mm threaded and long reach plugs, it is recommended to check the size of your spark plugs