This authentic nautical air scoop was salvaged from a derelict fishing vessel in a Virginia boatyard. The price shown is for one piece. The air scoops are being sold in as found condition, nothing has been done to restore or clean them. From the ground up, they measure 24 inches tall. The top opening is 10 1/2 inches wide. The mounting base is 11 inches wide and has 7 mount holes. The weight is 22 pounds. The item is made of iron.