Antenna Mast Clamp Cross-Over Bracket Kit with U Bolts for 1"-2" OD Poles, He...

[Easy to Install] Mount 2 antenna mast poles at a 90°(cross or T shape) firmly, V jaw blocks and U-shape bolts would prevent it slip down. [High Quality Made] Made of Q235 low carbon alloy steel that could effectively prevents rusting, and it is galvanized which provide oxidation and corrosion proof.

eBay