I was wondering if anyone could explain the functional differences between the Adjustable Highway Peg Mounting Kit - Offset (p.602A in 2015 catalog) and Adjustable Highway Peg Mounting Kit - 360 (p.602B).

Also, are there other options you would suggest I look into when doing my research? I am new to the highway peg and really have no clue what I'm interested in, besides comfort and flexibility on long rides. I am 6'1 in case that matters for the short or long offsets.