The original rear wiper can be improved, in looks and sweep, by using the arm and wiper from Citroen C2 rear. It's a straight swap.
The Citroen part numbers are:
C6429W3 Blade Holder £14.19
C6429T3 Blade £8.33
Before
After
Parts Edited by: robclarke
The Citroen part numbers are:
C6429W3 Blade Holder £14.19
C6429T3 Blade £8.33

Before

After

Parts Edited by: robclarke