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.
BMW R1200R 2005-2010
Not for DOHC engines!
High-quality Allen keys made of chrome-vanadium-steel are...
The spark plug connector of the new generation bikes makes...
1/2" or 3/8"
with a large torque adjustment range...