This spark plug wrench has a wrench size of 16mm. It is very thin and because of this it's perfect to change the spark plugs on BMW motorcycles. Most of the other socket wrenches and spanners are too thick for this job.
Part no. 137521:
Adapter from 1/2" to 3/8" to use a...
1/2" or 3/8"
with a large torque adjustment range...
This feeler gauge set includes a nickel plated cover. Each...