Our antenna mount clamp mounting kit is made of high-quality iron The is to prevent rust and , suitable for any type of weather.Make the bracket kit long term usage even outdoors.This ensures exceptional durability and long-lasting performance. The antenna pole mounting clamp not only can be used for fixing antenna, but also can be used for fixing any kind of Pipe/flagpole/Tube with appropriate diameter. Suitable for scenarios such as roofs, RVs, yachts, and camping. Connect the clamp to the pipe/pole and secure it with double U-bolt thread rods and place the antenna or other applications into the U-shape plate.and then sesure the 4 screws to fix the applications ready for use.The kit includes two 8mm (M8) heavy-duty U-bolts, capable of securely clamping around any pipe, flagpole, or tube with a maximum diameter of 2 inches. Note: please measure the diameter of the pole/pipe that you intend to install and it fits within the specified range! Product name: Antenna installation fixture Specification Model: GEN2 Pipe Adapter Item Type: Nut & Bolt Sets Colour:As Shown Material:Iron + stainless steel Package Contents: 1 set * antenna mounting jig Only the above package content, other products are not included. Note: Light reflection 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.