Non-Penetrating Roof Mount with 2" x 72" Mast - Satellite WiFi - EZ NP-72-200 Flat Roof Mount NON-PENETRATING ROOF MOUNT FOR SATELLITE DISHES, WIRELESS INTERNET ANTENNAS, ETC USES STANDARD CONCRETE BLOCKS TO ANCHOR TO ROOF STEEL CONSTRUCTION. 35" X 35" BASE FEATURES 2" X 72" X 18 GAUGE GALVANIZED MAST Made in the USA