Lulzbot Taz 4 or 5 top Filament spool holder Solid version

This is an alternate version of filament spool holder without the intricate inside cutout design for easier printing. This version also includes a lock keys to keep it secure to rails.
Original version:

http://www.thingiverse.com/thing:1342770

Spool holder for top rail of Lulzbot Taz 4 or 5 or any printer with a 20mm rail.
No screws or bolts required. I have included a files for spool rod but a 1/2" pvc cut to 156.5 mm works also.

File Descriptions:
SimpleSet_with_Rod: full set of