TRYLON's 4.618.2711.001 top section pipe mount adapter is designed to allow for the use of top-mounted antenna pipe mounts. The assembly includes the top plate with splice bolts, and bottom plate that connects directly to the tower section legs. The bottom plate acts as the base for the mounting pipe, which is inserted through the opening in the top plate and secured using the integrated set screws.BRBRThe STG top section pipe mount adapter accommodates pipes from 1.9 in OD – 4.5 in OD and is completely hot-dip galvanized for years of worry-free corrosion protection.bPipe not included/b