This is the dust cover that sits inside the distributor cap and covers up the points.
It will fit a wide range of VW's fitted with Bosch distributors and all 009 distributors as well.
As a guide it will fit
VW Beetle from 1963 to 1979
Split screen camper 1963 to 1967
Type 2 Bay window 1968 to 1979
Type 25 1979 to 1991
Lots of 4 cylinder Golf's and much more
The cover is 63mm across