This unusual wheebox could be a solution in some installations.
It includes a 13.5mm splined adapter that fits on the 1/4" diameter spindle to fit our range of wiper arms.
Mounts through a 3/8" (10mm) hole.
3/8" unf thread x 18mm long.
Fibre washer, nut and rubber sealing cap included.
NOTE: The splined adapter (#WBAD) is also available seperately
TALL SLIM-SPINDLE WHEELBOX WITH ADAPTER #WBOX3