Gen3 Marine Aluminum Adjustable Boat Seat Pedestal w/MountThis adjustable boat seat pedestal with mount by Gen3 Marine is a quality choice for any vessel. Constructed of aluminum with an anodized finish to hold up to harsh marine environments. Able to be adjusted from 12.5" up to 18.375". Comes with an aluminum mount that fits standard 4-hole mounting pattern.Features: Aluminum Mount; Adjustable from 12.5"-18.375"; Anodized Aluminum; Specifications: Tube Diameter: 2.625"; Base Diameter: 9"; Height Min: 12.5"; Height Max: 18.375"; Standard 5-1/4" hole pattern for mounting on a pedestal or other mounting surface