ROHN’s R-25AG2 25G standard top section features the same 12 1/2 in face and 5/16 in solid serpentine zig-zag bracing as the standard 25G tower sections and it also comes with a tapered top and integrated mounting pipe. The pipe, measured from the apex of the side rails, is 2 1/4 in OD x 18 in. BRBRYou can connect the 9 ft 9 in long R-25AG2 to any standard Rohn 25G tower section using the included bolts and double-bolted leg connections. The entire section has been completely hot-dip galvanized for yearss of worry-free corrosion protection and it can be used in guyed, self-supporting and bracketed tower configurations.