Mduoduo Universal Plug Gap Tool Black/Red for Most 10mm 12mm 14mm 16mm Plugs

Features: Compatible with most 10mm 12mm and 14mm threaded plugs. Color : Black Red Steel adjuster knob Aluminum anodized Instructions: Screw your plug into the bottom of our gap tool Use your desired size feeler gauge for gap Turn the knob with the feeler gauge in place till the side electrode compresses to the desired gap NOTE: It is normal for some plugs electrode spring back. If they do spring back we suggest using a measurement 2mm less than what you are aiming for. For example if your gap target is 0.44mm we suggest to use 0.42mm this way when it spring back you will get it to 0.44mm. Includes: 1 x Plug Gap Tool Note: Will come with everything you see in the picture. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check that the picture matches before purchase. The color of the actual items may slightly different from the listing images due to different computer screen thanks for your understanding. For any inquirie