The RT-424 Roof-Top Tower will support medium beam antennas and other communication equipment. All towers are made of rugged 6061-T6 angle aluminum with stainless steel hardware, so they never need painting or maintenance. The top plate accommodates a thrust bearing, and each has mounting holes for most rotators. The assembly plans for each tower include information for simple roof mounting or ground mounting with available accessories. No guying required Includes four brackets for rooftop mounting MC-10 Mast Clamps required for non-rotating installations LB-3755 bolts required to mount tower to roof EL-3744 L-Bolts required for concrete mounting Don't forget lightning protection for your building

RT-424 Roof Mount Specifications: Height 4.5 ft. Top to Rotor 34.75" Base Width 24" Wind Load @ 87 mph 6 sq. feet Max Antenna Load 100 lbs. Shipping Weight 18 lbs.