1/4" x 2" x 2 Angle. Horizontal Brace Material: Aluminum 1/8" x 1-1/2" Flat Bar. Diagonal Brace Material: Aluminum 1/8" x 1" Flat Bar. Stainless Steel Hardware: 14-20 with nylon self locking nuts. Includes four brackets for rooftop mounting.
Wind Load Ability: 23 sq ft (85 mph) / 8.5 sq ft (150 mph). Maximum Mast Diameter: 2.375 inches. Maximum Mast Length: 9 feet. Maximum Balanced Load Weight: 120 lb center-balanced.
Rotator Plate: Fits most 4-bolt mounted rotators. Mounting Bolt Size: 3/8, 16 required. Top-to-Rotor Distance: 34.75 inches. TB-25 Thrust Bearing should be used when using a rotator.
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 - LR-8400 Lightning Rod Kit & #4 Ground Wire is strongly recommended. Visit our store for accessories. As of August 22, 2016 Glen Martin has dropped the MSRP of their RT-424 Roof Top Towers. GLEN MARTIN PRODUCTS ARE PROUDLY MADE IN THE USA. The item "Glen Martin RT-936 9' Roof Top Tower Heavy Duty Aluminum Roof Tower USA Made" is in sale since Tuesday, May 19, 2015.This item is in the category "Consumer Electronics\Radio Communication\Antennas\Ham, Amateur Radio Antennas". The seller is "antennapartsoutlet1" and is located in Mount Carroll, Illinois. This item can be shipped to United States, Mexico, Canada, Bermuda.