The Wedge Power Pedestal works with other Swivl-Eze Wedge components. Each Power Pedestal offers 6 of height adjustment. It locks into the base plate to prevent unintentional detachment. Simply press the tab to release. Made of sturdy, lightweight cast aluminum. Available: 13 -19 , 24 -30 . Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Pedestals.