1Stable: The triangular base is very strong, and the unique buttress design makes this base more weighable and resistant to strong winds. 2Durable Design: This flag pole holder has shining polished looking and smooth touch, combining the modern design and superior durability. 3 Material: Made 316 marine grade stainless steel. It's heavy duty, weather resistant, providing more durable solution for saltwater environment. 4Size: Suitable for flagpole within approximate 1 inch/2.54cm, the angle of inclination is 90 degrees, and the base size is approximate 76 x 90mm/2.99 x 3.54in. 5Easy to Install: This stanchion socket is easy to assemble and install. No drilling or welding required. Simply tighten the screws according to the mounting holes to hold the inserted pole in place.