Threading tools for spark plugs

Article No K 197 What do the symbols mean?

Tools for cleaning the spark plug threads in the cylinder head. Thread cleaning starts at the bottom of the threads and brings up any dirt and metal filings so that they do not end up in the combustion chamber.

Article No Dimension
K 197 M12 x 1,25
K 198 M14 x 1,25
K 199 M18 x 1,5

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