Genuine ROHN TRT36 3' Antenna Tripod Roof Tower - TV HAM FM CB HDTV Roof Mount ROHN TRT36 Tripod Roof Tower is 3' tall and comes fully assembled. Features tubular legs, a snap-out design, and universal mast clamps, capable of mounting up to 1-3/4" masts. The swivel feet adjust to most any pitch roof and bolt onto surface quickly using up to 1/4" diameter fasteners. Mast and roof anchor hardware are not included with the tripod. Made in the USA