Square base mount with a straight 8 foot vertical mast which is 2 inches in diameter. Base dimensions 18 inches by 18 inches. Four 25mm x 25mm x 3mm angle iron braces are for added strength. Both holes and slots are provided on the base plate for either direct attachment to a concrete base or to a flat roof frame. Hot Dipped Galvanising finish NOTE Image for illustration purposes only. The patio mount is too large to show the whole image.