7” x 7” cast aluminum base provides an excellent base for any of the Lock N Pin series pedestals. 6 bolt holes insure base stays firm to the deck. Swivl-Eze is the number one supplier of 3/4” pin seating products. They didnt get there by accident, they got there by providing economical seating options using a proven design. Available is fixed, manual, or adjustable. Use components to put together a package that meets your specific needs.