Antenna Mast Clamp Bracket with U-Bolts Anti-Rust Clamp Panel Pipe Mounting Hardware for Outdoor LoRa Antenna Helium Mast Mounting U-bolt clamp kit, suitable to mount antennas to mast/ tube/ pipes/pole for outdoor applications_x000D_ Designed to support most outdoor extenders, Glass Fiber LoRa Antenna,Helium Miner Hospot Antenna, 4G LTE/ WiFi/ VHF antennas, and TV antennas_x000D_ Well made with quality material and Dacromet Coating has the advantages of high anticorrosion. color:As shown_x000D_ Material:alloy_x000D_ size:Bracket diameter: about 23mm Package Contents:_x000D_ 1 x Antenna Mast Clamp Bracket Only the above package content, other products are not included._x000D_ Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_