I have 8 moisture resistant end caps, enough for 4 sets of lights, length would depend on your preference & what ballasts you wish to use. Unlikely I'll ever use them again. Also have two Workhorse 8 ballasts which can be wired up for several different lengths of tubes. I used them in a 48 inch (54 watt?) T5HO configuration. Could easily be used for 36". Not positive about 60", I'll have to nose through my hard drive to find the specs.

https://tsl4pa.blu.livefilestore.com...93a.JPG?psid=1