Both Original and Pro Series T-tops can adjust to a width of 24'' to 50''.
Original T-top measurements of Port and starboard feet:
Center to center, at the widest part of the base measures 27 3/4''
Feet measure- 6''x4'' half-moon
Pro Series T-top measurements of Port and Starboard Feet:
Center to center, at the widest part of the base measures 28 3/8''
Feet measure- 6''x4'' half-moon