Simple Spark Plug Holded

super simple spark plug holders inline 6inline 4v6 - cyl 1 on leftv6 - cyl 1 on rightv8 - cyl 1 on leftv8 - cyl 1 on right Please note, pla is not suitable for holding hot spark plugs, it will melt, if you can't hold the plug with your bare hand, don't expect pla to hold it either