[Premium Materials: The Flag Pole is made of marine grade 316 stainless steel highly polished to a beautiful mirror-like finish.Mounting Clamp is made of marine grade plastic. Excellent seawater corrosion resistance and durable which can stand up to kinds of weather Adjustable Mounting Clamp: The Boat Flag Pole with a 360°adjustable mounting clamp for use it can be easily adjusted to any position and fits for 0.7"-1.26" rails Ajustbale Clips: The clips at the top and bottom of the boat flag pole make it easy to keep the flat naturally unfurled motion and blowing in the wind without bunching up or wrapping around itself for a high-quality lookfits most sizes flags Sturdy and Stable: Sturdy clamp with non-slip strip and easy to install on the boats without any tools stable clips bites flagpole and prevent boat flag rotate down. Suit for Boat Yacht Truck and RV What you get from Hoffen: 2 x Flag poles 2 x mouting clamps 4 x flag clips 2 x anti-slip strips 2 x US flags 24-hour customer service Life quality warranty Free return or replacement service]