Cast-iron Architectural Tree Grates by HessAmerica are available in eight models with different perforation designs. Each square or circular model comes in up to three sizes ranging from 39.4" to 78.7" wide nominally. The two-piece grates include a powdercoated black matte finish, antislip detailing on the surface, and a hot-dip galvanized steel frame for installation. Removable plugs in the grates can accommodate watering hoses. •