For M18*1.5 mm industrial spark plugs, including:
1) For CAT 479-7702 Spark Plug
2) For CAT 243-4291 Spark Plug
3) For CAT 346-5123 Spark Plug
4) For CAT 430-4521 Spark Plug
5) For Jenbacher 436-782 Spark Plug
6) For CUMMINS 4924504 Spark Plug
7) For CUMMINS 5373898 Spark Plug
8) For Federal Mogul FB78WW Industrial Spark Plug
Etc.