This patented system begins with the ADA-Lap Base Unit (you must order this first and at least one option). It comes with the Base and Pole with
a Top Plate with VelcroLoop, but it does not include the any of the options such as Lap Tray shown in main photo.
Made from ightweight anodized aluminum alloy with stainless
steel fasteners. Easy height adjustment with a quick release clamp. Adjusts to fit all users. #ADA01 ADA-Lap Base Unit $239.00 + FREE S&H