Antenna tower side arm Mount, Commercial Grade.28" from tower  mounting PIPE 1.5/8"OD X 12" TALL.

Heavy Duty.will hold 20' Antenna.Many Different way to clamp it to a Tower leg or pipe.I show in photo muffler clamp.If you need a Custom mount made send me message.I can make it for you.

Thanks for looking.K7MPA

Please check out my other antenna mounts No clams supplied with this Mount.