Octagonal Market Umbrellas are available in 7½, 9 and 11 foot diameters with fiberglass or aluminum ribs and 7½, and 9 foot diameters in wood ribs. Wood rib umbrellas come standard with a matching two piece metal reinforced 1½” diameter wooden pole. Aluminum rib umbrellas come standard with matching silver mist finished 1½” diameter heavy duty aluminum pole. Fiberglass ribs are finished in white, bronzetone, black or wood grain with matching finish on 1½” diameter heavy duty aluminum poles. Wind vents and pulley pull up with locking pins are standard.