German quality pulley Shim for fan belt adjustment
This is a replacement shim for dynamo or alternator pulleys and is a vital component for correct adjustment of your V-belt.
There are 10 shims used in total to adjust the belt remove the shims from between the pulley halves and re-use them on the front face of the outer pulley.
Using the correct number keeps the pulley tight. 0.5mm 10 needed