From The Manufacturer
Table Base, 2 x 19.9” half-cross bases with 37.2” gap from outside to outside of feet, 16.9” from column center to column center, steel spider with p-lock folding system, aluminum construction with black powder coat finish, cast iron weights inside feet for added stability, adjustable non-marring glides, for indoor or outdoor use, designed for 36” x 36” table tops, offset feet height to allow for nesting