Specifications are the same as the Classic Round Posts except that these posts are made from 3' square box section steel for increased strength and durability, complete with brass winder. To order the Ground Sleeves for Square Posts click here Shipping for this item is 10% of the item cost for the Continental U.S. only. Please call for shipping costs outside of the Continental U.S. Online Sports is an Authorized Online Dealer of Gared Sports products.