The Slinkdsco Double Antenna Mast Clamp is a heavy-duty, versatile mounting solution designed for multiple applications. It is ideal for mounting larger antennas to masts or one pole to another, providing a secure and stable installation. The clamp is constructed from zinc-plated steel with an anti-rust coating, ensuring durability and resistance to outdoor elements. The U-bolts have a diameter range of 1-1.8" and a length of 5.7", providing a strong and secure grip, preventing the pole from slipping down. This mast mounting clamp is designed to support most WiFi, Yagi, TV antennas, Ham CB antenna, Helium Miner Lora antenna, flag post, fishing rods, patio umbrella, parasols. The package includes 2 sets of this mast clamp. With its robust design and wide range of applications, this double antenna mast clamp is a reliable choice for all your mounting needs.