1. You can drill and tap the set screw hole needed in the new cap.
2. You will have to purchase these additional parts:
- 43200077 PIN CAP ANCHORAGE
- 00550808 SCREW
This option would require you to drill hole in top of your vertical column for the PIN CAP ANCHORAGE to fit into.
3. If you cannot drill this hole you will need to purchase an updated vertical column p/n 43205009.