Hi Darren,

HAT Contract was acquired by Innovative and is now know by HAT Collective
they have added more models to the line. 
Based in the part numbers you provided they correspond to the original HAT line up
​see below this information are screen shots from they website. 
I will check stock and availability to will call the bases in the morning (Friday)
and send you a formal estimate before 9:00 am. 

​HAT3-HI-L

​HAT2-HI-L

The Straight base configuration comes with 3 leg choices (T-Legs are the one everyone buys)
also they offer 2 widths the letter "L" at the end of the part number means Long and you can use it
with tops from 48" up to  84" long  (if needed with 6" over hang on each side.

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Remote Update

Also if the bases are the older model just be aware they introduce a new remote a few years back.
and it can be installed on the top in two positions (see pictures below)
plus now they come with a 12 year warranty. 
this applies to all their bases 

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