2 Pack Double Antenna Mast Clamp V Jaw Block 304 Stainless Steel TV Double Antenna Pole Holder Heavy Duty Pole to Pole Mounting Hardware Kit Bracket Holder for TV Ham, Flag Post, Umbrella, Parasols

Premium Quality: Antenna mast clamp built with high-quality 304 stainless steel material, corrosion-resistant, anti-rust, not easy to bend or break. Ideal for long term and outdoor antenna installation.
Adjustable Size: The antenna mast clamp length is 7.1 '', V
jaw bracket size: 3.2 '' x 0.6 '', bolts
size: 0.8 ''* 0.4 '', minimum bracket range size 0.2 '' x 1.5 '', separate the two side of bracket to equal range, the maximum range size 1.96 '' x 1.5 ''.
Fits Two Kinds of Poles: Compatible with Round and Square pipes. Mount poles designed to install an outdoor antenna such as cell phone signal boosters, can be applied to a building roof.
Easy Installation - You don't need extra tools to install, put V jaw brackets on antenna mast, according to the pipe resized the range, and tighten the bolts.
Widely Used: Suitable for radio/tv antenna, flag pole, network antennas, weather station, security camera, solar panel, LED street light etc.