The M10x1.0 spark plug repair kit p/n 4010. tooling
is more suited for holes that 3 or 4 inches in depth.
The wrench which is the black tool 3-3/4″ rotates all the tools, has a 7/16 ” inch hex
at the top which can allow you to extend the tooling with a socket further if need.
Inserts not included order separately.
INSTRUCTIONS