NOTICE: NOT for short reach plugs!<p><b>[ PERFECT FOR SPARK PLUG DIY ]</b><br>The years of banging spark plugs troublesomely are over. <br>Make quick precise work of your 12mm and 14mm spark plugs with this professional tool. <br>Easy to control the knob to apply pressure, reduce error and electrode damage.<br>Make gapping your spark plug quick and professional.<br><br><b>[ APPLICATION ]</b><br>Compatible with 12mm and 14mm threaded spark plugs.<br><br><b>[ USER GUIDE ]</b><br>1.Twist your spark plug into the threaded hole of tool, and use your feeler gauge (please buy it separately) to determine the gap size.<br>2.Twist the knob of the tool slowly to apply even and smooth pressure to bend the electrode until it compress to the gap size you need.<br>Tips: Please use this tool with a wire spark plug gauge or gapper.<br><br><b>[ SPECIFICATIONS ]</b><br>Color: Blue<br>Material: Carbon-Steel<br><br><b>[ PACKAGE LIST ]</b><br>1 × 12mm spark plug gap tool<br>1 × 14mm spark plug gap tool<br>(No feeler gauge or spark plug, please buy it separately)<br></p>