 The all steel model 1175 extension arm is zinc plated to prevent corrosion. Eight inches of vertical pole clearance are required for installation. It can be installed on all type of poles. Slots are provided for banding to cement, steel, or fiberglass poles. For mounting to wood poles, standard bolt holes are available for use of 5/8" thrubolt and two 1/2" x 4" drive type lag bolts, not supplied. |